Bump rollup from 3.21.3 to 3.21.4 in /js (#20161)

Bumps [rollup](https://github.com/rollup/rollup) from 3.21.3 to 3.21.4.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/compare/v3.21.3...v3.21.4)

---
updated-dependencies:
- dependency-name: rollup
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

js/libs/keycloak-js/package.json

@@ -48,7 +48,7 @@
     "@rollup/plugin-terser": "^0.4.1",
     "@rollup/plugin-typescript": "^11.1.0",
     "es6-promise": "^4.2.8",
-    "rollup": "^3.21.3"
+    "rollup": "^3.21.4"
   },
   "dependencies": {
     "base64-js": "^1.5.1",

js/package-lock.json

@@ -156,7 +156,7 @@
         "@rollup/plugin-terser": "^0.4.1",
         "@rollup/plugin-typescript": "^11.1.0",
         "es6-promise": "^4.2.8",
-        "rollup": "^3.21.3"
+        "rollup": "^3.21.4"
       }
     },
     "libs/keycloak-masthead": {
@@ -9157,9 +9157,9 @@
       }
     },
     "node_modules/rollup": {
-      "version": "3.21.3",
+      "version": "3.21.4",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-3.21.3.tgz",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-3.21.4.tgz",
-      "integrity": "sha512-VnPfEG51nIv2xPLnZaekkuN06q9ZbnyDcLkaBdJa/W7UddyhOfMP2yOPziYQfeY7k++fZM8FdQIummFN5y14kA==",
+      "integrity": "sha512-N5LxpvDolOm9ueiCp4NfB80omMDqb45ShtsQw2+OT3f11uJ197dv703NZvznYHP6RWR85wfxanXurXKG3ux2GQ==",
       "dev": true,
       "bin": {
         "rollup": "dist/bin/rollup"