Bump int128/datadog-actions-metrics from 1.80.0 to 1.81.0 (#17398)

Bumps [int128/datadog-actions-metrics](https://github.com/int128/datadog-actions-metrics) from 1.80.0 to 1.81.0.
- [Release notes](https://github.com/int128/datadog-actions-metrics/releases)
- [Commits](int128/datadog-actions-metrics@2ca3c09...8a70221)

---
updated-dependencies:
- dependency-name: int128/datadog-actions-metrics
  dependency-type: direct:production
  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>
Co-authored-by: Amanda Nantais-Austin <anantais@gmail.com>
Co-authored-by: Edmund Dunn <109987005+edmund-dunn@users.noreply.github.com>

.github/workflows/actions-metrics.yml

@@ -11,7 +11,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Send GitHub Actions metrics to DataDog
-        uses: int128/datadog-actions-metrics@2ca3c09b18e2185806a071ed29fd5a02b75f8599 # v1.80.0
+        uses: int128/datadog-actions-metrics@8a70221aaf8d488c817ae230ac6354ee59279080 # v1.81.0
         with:
           datadog-api-key: ${{ secrets.DATADOG_API_KEY }}
           collect-job-metrics: true