Bump core-js from 2.6.12 to 3.48.0 in /src/java/ws/rest-client (#113)

Bumps [core-js](https://github.com/zloirock/core-js/tree/HEAD/packages/core-js) from 2.6.12 to 3.48.0.
- [Release notes](https://github.com/zloirock/core-js/releases)
- [Changelog](https://github.com/zloirock/core-js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/zloirock/core-js/commits/v3.48.0/packages/core-js)

---
updated-dependencies:
- dependency-name: core-js
  dependency-version: 3.48.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]

src/java/ws/rest-client/package-lock.json

@@ -22,7 +22,7 @@
     "@angular/platform-browser": "^21.1.3",
     "@angular/platform-browser-dynamic": "^21.0.6",
     "@angular/router": "^21.0.6",
-    "core-js": "^2.4.1",
+    "core-js": "^3.48.0",
     "rxjs": "^7.8.2",
     "rxjs-compat": "^6.6.7",
     "semantic-ui": "^2.5.0",