Merge pull request #260 from target/pin-scala-steward

Pin Scala Steward action version

Author: colindean

.github/workflows/scala-steward.yaml

@@ -26,7 +26,7 @@ jobs:
           distribution: 'temurin'
           java-version: '11'
       - name: Launch Scala Steward
-        uses: scala-steward-org/scala-steward-action@v2
+        uses: scala-steward-org/scala-steward-action@53d486a68877f4a6d1e110e8058fe21e593db356 # v2.77.0
         with:
           github-token: ${{ secrets.REPO_GITHUB_TOKEN }}
           author-email: "41898282+github-actions[bot]@users.noreply.github.com"