chore(deps): bump prom-client from 14.2.0 to 15.0.0

Bumps [prom-client](https://github.com/siimon/prom-client) from 14.2.0 to 15.0.0.
- [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...v15.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -61,7 +61,7 @@
     "node-xlsx": "^0.23.0",
     "on-finished": "^2.4.1",
     "pg": "^8.11.3",
-    "prom-client": "^14.2.0",
+    "prom-client": "^15.0.0",
     "read-chunk": "^3.2.0",
     "request": "^2.88.2",
     "request-promise-native": "^1.0.9",