chore(deps): bump @opentelemetry/exporter-prometheus

Bumps [@opentelemetry/exporter-prometheus](https://github.com/open-telemetry/opentelemetry-js) from 0.51.0 to 0.51.1.
- [Release notes](https://github.com/open-telemetry/opentelemetry-js/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-js/blob/main/CHANGELOG.md)
- [Commits](open-telemetry/opentelemetry-js@experimental/v0.51.0...experimental/v0.51.1)

---
updated-dependencies:
- dependency-name: "@opentelemetry/exporter-prometheus"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -37,7 +37,7 @@
   },
   "homepage": "https://github.com/stfsy/prometheus-what-active-users-exporter#readme",
   "dependencies": {
-    "@opentelemetry/exporter-prometheus": "^0.51.0",
+    "@opentelemetry/exporter-prometheus": "^0.51.1",
     "@opentelemetry/sdk-metrics": "^1.24.1",
     "http-graceful-shutdown": "^3.1.12"
   },