fix(deps): bump prom-client from 14.2.0 to 15.1.2

Bumps [prom-client](https://github.com/siimon/prom-client) from 14.2.0 to 15.1.2.
- [Release notes](https://github.com/siimon/prom-client/releases)
- [Changelog](https://github.com/siimon/prom-client/blob/master/CHANGELOG.md)
- [Commits](siimon/prom-client@v14.2.0...v15.1.2)

---
updated-dependencies:
- dependency-name: prom-client
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

packages/server-core/package.json

@@ -37,7 +37,7 @@
         "mysql2": "^3.9.4",
         "pascal-case": "^4.0.0",
         "pg": "^8.11.5",
-        "prom-client": "^14.2.0",
+        "prom-client": "^15.1.2",
         "rapiq": "^0.9.0",
         "redis-extension": "^1.5.0",
         "reflect-metadata": "^0.2.2",