chore(deps): update datadog/synthetics-ci-github-action digest to f54d9ba

Author: renovate[bot]

.github/workflows/datadog-synthetics.yml

@@ -29,7 +29,7 @@ jobs:
     # Run Synthetic tests within your GitHub workflow.
     # For additional configuration options visit the action within the marketplace: https://github.com/marketplace/actions/datadog-synthetics-ci
     - name: Run Datadog Synthetic tests
-      uses: DataDog/synthetics-ci-github-action@a3ae3be10856e996d9f1f7bd188c4a449c7746c9
+      uses: DataDog/synthetics-ci-github-action@f54d9ba8ccde55b06d809db2016eedbbb110bdf7
       with:
         api_key: ${{secrets.DD_API_KEY}}
         app_key: ${{secrets.DD_APP_KEY}}