web: bump typescript from 5.9.3 to 6.0.2 in /web (#21107)

* Bump related TS packages.

* Fix type.

* Fix styles.

* web: bump typescript from 5.9.3 to 6.0.2 in /web

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.9.3 to 6.0.2.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Commits](https://github.com/microsoft/TypeScript/compare/v5.9.3...v6.0.2)

---
updated-dependencies:
- dependency-name: typescript
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

* Partial upgrade.

* Add dep.

* Re-add preinstall.

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: Teffen Ellis <592134+GirlBossRush@users.noreply.github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

website/api/package.json

@@ -31,7 +31,7 @@
         "@docusaurus/types": "^3.9.2",
         "@goauthentik/docusaurus-config": "^2.5.1",
         "@goauthentik/docusaurus-theme": "*",
-        "@goauthentik/tsconfig": "^1.0.5",
+        "@goauthentik/tsconfig": "^1.0.7",
         "@mdx-js/react": "^3.1.1",
         "@types/postman-collection": "^3.5.11",
         "@types/react": "^19.2.14",
@@ -45,7 +45,7 @@
         "prism-react-renderer": "^2.4.1",
         "react": "^19.2.0",
         "react-dom": "^19.2.0",
-        "typescript": "^5.9.3"
+        "typescript": "^6.0.2"
     },
     "optionalDependencies": {
         "@rspack/binding-darwin-arm64": "1.7.10",