sources: add Telegram source (#15749)

* sources: add Telegram source (#2232)

* sources/telegram: put telegram user info into policy context (#2232)

* sources/telegram: replace regular input for bot token with a "secret" one (#2232)

* sources/telegram: fix typo on Telegram source form

* sources/telegram: added UserSourceConnection/GroupSourceConnection and SourceFlowManager subclasses for Telegram source

* sources/telegram: improved code layout

* sources/telegram: collapsed migrations

* sources/telegram: fix lint errors

* sources/telegram: fixed lint errors in docs

* sources/telegram: fix app config

* Update website/docs/users-sources/sources/social-logins/telegram/index.md

Co-authored-by: Tana M Berry <tanamarieberry@yahoo.com>
Signed-off-by: Alexander Tereshkin <96586+atereshkin@users.noreply.github.com>

* Update website/docs/users-sources/sources/social-logins/telegram/index.md

Co-authored-by: Tana M Berry <tanamarieberry@yahoo.com>
Signed-off-by: Alexander Tereshkin <96586+atereshkin@users.noreply.github.com>

* Update website/docs/users-sources/sources/social-logins/telegram/index.md

Co-authored-by: Tana M Berry <tanamarieberry@yahoo.com>
Signed-off-by: Alexander Tereshkin <96586+atereshkin@users.noreply.github.com>

* Update website/docs/users-sources/sources/social-logins/telegram/index.md

Co-authored-by: Tana M Berry <tanamarieberry@yahoo.com>
Signed-off-by: Alexander Tereshkin <96586+atereshkin@users.noreply.github.com>

* Update website/docs/users-sources/sources/social-logins/telegram/index.md

Co-authored-by: Tana M Berry <tanamarieberry@yahoo.com>
Signed-off-by: Alexander Tereshkin <96586+atereshkin@users.noreply.github.com>

* Update website/docs/users-sources/sources/social-logins/telegram/index.md

Co-authored-by: Tana M Berry <tanamarieberry@yahoo.com>
Signed-off-by: Alexander Tereshkin <96586+atereshkin@users.noreply.github.com>

* Update website/docs/users-sources/sources/social-logins/telegram/index.md

Co-authored-by: Tana M Berry <tanamarieberry@yahoo.com>
Signed-off-by: Alexander Tereshkin <96586+atereshkin@users.noreply.github.com>

* Update website/docs/users-sources/sources/social-logins/telegram/index.md

Co-authored-by: Tana M Berry <tanamarieberry@yahoo.com>
Signed-off-by: Alexander Tereshkin <96586+atereshkin@users.noreply.github.com>

* Update website/docs/users-sources/sources/social-logins/telegram/index.md

Co-authored-by: Tana M Berry <tanamarieberry@yahoo.com>
Signed-off-by: Alexander Tereshkin <96586+atereshkin@users.noreply.github.com>

* Update website/docs/users-sources/sources/social-logins/telegram/index.md

Co-authored-by: Tana M Berry <tanamarieberry@yahoo.com>
Signed-off-by: Alexander Tereshkin <96586+atereshkin@users.noreply.github.com>

* Update website/docs/users-sources/sources/social-logins/telegram/index.md

Co-authored-by: Tana M Berry <tanamarieberry@yahoo.com>
Signed-off-by: Alexander Tereshkin <96586+atereshkin@users.noreply.github.com>

* Update website/docs/users-sources/sources/social-logins/telegram/index.md

Co-authored-by: Tana M Berry <tanamarieberry@yahoo.com>
Signed-off-by: Alexander Tereshkin <96586+atereshkin@users.noreply.github.com>

* Update website/docs/users-sources/sources/social-logins/telegram/index.md

Co-authored-by: Tana M Berry <tanamarieberry@yahoo.com>
Signed-off-by: Alexander Tereshkin <96586+atereshkin@users.noreply.github.com>

* Update website/docs/users-sources/sources/social-logins/telegram/index.md

Co-authored-by: Tana M Berry <tanamarieberry@yahoo.com>
Signed-off-by: Alexander Tereshkin <96586+atereshkin@users.noreply.github.com>

* sources/telegram: add user source settings UI so that the users can disconnect Telegram source from their account

* sources/telegram: clean up code per @risson's suggestions

* sources/telegram: improve docs based on @tanberry's suggestions

* sources/telegram: fix minor docs formatting issue

* sources/teleram: add tests for views

* sources/telegram: update serielizer field types references to be in line with convention

* sources/telegram: add missing type annotations

* sources/telegram: add check for source.enabled in the redirect view

* sources/telegram: add pre-authentication flow to telegram source

* sources: add Telegram source (#2232)

* sources/telegram: added UserSourceConnection/GroupSourceConnection and SourceFlowManager subclasses for Telegram source

* sources/telegram: collapsed migrations

* sources/telegram: fix lint errors

* sources/telegram: clean up code per @risson's suggestions

* sources/teregram: fix merge errors

* sources/telegram: improve docs wording

* Standardized documentation

* sources/telegram: added telegram source package to the list of ignored modules for mypy

* sources/telegram: fix TS lint errors

* sources/telegram: improve test coverage

* web: bump @types/node from 22.15.19 to 24.5.2 in /web (#16989)

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 22.15.19 to 24.5.2.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

---
updated-dependencies:
- dependency-name: "@types/node"
  dependency-version: 24.5.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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---------

Signed-off-by: Alexander Tereshkin <96586+atereshkin@users.noreply.github.com>
Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: Tana M Berry <tanamarieberry@yahoo.com>
Co-authored-by: dewi-tik <dewi@goauthentik.io>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

website/docs/developer-docs/contributing.md

@@ -60,16 +60,17 @@ authentik
 │   ├── oauth2 - OIDC-compliant OAuth2 provider
 │   ├── proxy - Provides an identity-aware proxy using an outpost
 │   ├── radius - Provides a RADIUS server that authenticates using flows
-│   ├── saml - SAML2 Provider
-│   └── scim - SCIM Provider
+│   ├── saml - SAML2 provider
+│   └── scim - SCIM provider
 ├── recovery - Generate keys to use in case you lock yourself out
 ├── root - Root Django application, contains global settings and routes
 ├── sources
 │   ├── kerberos - Sync Kerberos users into authentik
 │   ├── ldap - Sync LDAP users from OpenLDAP or Active Directory into authentik
-│   ├── oauth - OAuth1 and OAuth2 Source
+│   ├── oauth - OAuth1 and OAuth2 source
 │   ├── plex - Plex source
-│   └── saml - SAML2 Source
+│   ├── saml - SAML2 source
+│   └── telegram - Telegram source
 ├── stages
 │   ├── authenticator_duo - Configure a DUO authenticator
 │   ├── authenticator_static - Configure TOTP backup keys