Bump rollup from 3.19.1 to 3.20.0 in /js (#19184)

Bumps [rollup](https://github.com/rollup/rollup) from 3.19.1 to 3.20.0.
- [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/v3.19.1...v3.20.0)

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

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": "^0.4.0",
     "@rollup/plugin-typescript": "^11.0.0",
     "es6-promise": "^4.2.8",
-    "rollup": "^3.19.1"
+    "rollup": "^3.20.0"
   },
   "dependencies": {
     "base64-js": "^1.5.1",

js/package-lock.json

@@ -154,7 +154,7 @@
         "@rollup/plugin-terser": "^0.4.0",
         "@rollup/plugin-typescript": "^11.0.0",
         "es6-promise": "^4.2.8",
-        "rollup": "^3.19.1"
+        "rollup": "^3.20.0"
       }
     },
     "libs/keycloak-masthead": {
@@ -9108,9 +9108,9 @@
       }
     },
     "node_modules/rollup": {
-      "version": "3.19.1",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-3.19.1.tgz",
-      "integrity": "sha512-lAbrdN7neYCg/8WaoWn/ckzCtz+jr70GFfYdlf50OF7387HTg+wiuiqJRFYawwSPpqfqDNYqK7smY/ks2iAudg==",
+      "version": "3.20.0",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-3.20.0.tgz",
+      "integrity": "sha512-YsIfrk80NqUDrxrjWPXUa7PWvAfegZEXHuPsEZg58fGCdjL1I9C1i/NaG+L+27kxxwkrG/QEDEQc8s/ynXWWGQ==",
       "dev": true,
       "bin": {
         "rollup": "dist/bin/rollup"