web: bump dompurify from 3.3.3 to 3.4.0 in /web (#21632)

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 3.3.3 to 3.4.0.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](https://github.com/cure53/DOMPurify/compare/3.3.3...3.4.0)

---
updated-dependencies:
- dependency-name: dompurify
  dependency-version: 3.4.0
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

web/package-lock.json

@@ -69,7 +69,7 @@
                 "country-flag-icons": "^1.6.16",
                 "date-fns": "^4.1.0",
                 "deepmerge-ts": "^7.1.5",
-                "dompurify": "^3.3.3",
+                "dompurify": "^3.4.0",
                 "esbuild": "^0.28.0",
                 "eslint": "^9.39.3",
                 "eslint-plugin-lit": "^2.2.1",
@@ -8394,9 +8394,9 @@
             "peer": true
         },
         "node_modules/dompurify": {
-            "version": "3.3.3",
-            "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.3.3.tgz",
-            "integrity": "sha512-Oj6pzI2+RqBfFG+qOaOLbFXLQ90ARpcGG6UePL82bJLtdsa6CYJD7nmiU8MW9nQNOtCHV3lZ/Bzq1X0QYbBZCA==",
+            "version": "3.4.0",
+            "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.0.tgz",
+            "integrity": "sha512-nolgK9JcaUXMSmW+j1yaSvaEaoXYHwWyGJlkoCTghc97KgGDDSnpoU/PlEnw63Ah+TGKFOyY+X5LnxaWbCSfXg==",
             "license": "(MPL-2.0 OR Apache-2.0)",
             "optionalDependencies": {
                 "@types/trusted-types": "^2.0.7"

web/package.json

@@ -145,7 +145,7 @@
         "country-flag-icons": "^1.6.16",
         "date-fns": "^4.1.0",
         "deepmerge-ts": "^7.1.5",
-        "dompurify": "^3.3.3",
+        "dompurify": "^3.4.0",
         "esbuild": "^0.28.0",
         "eslint": "^9.39.3",
         "eslint-plugin-lit": "^2.2.1",