chore(deps): pin docker/metadata-action action to 902fa8e (#127)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Andreas Kienle <[email protected]>

Author: renovate[bot]

.github/workflows/main.yaml

@@ -30,7 +30,7 @@ jobs:
 
       - name: Docker meta
         id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 # v5
         with:
           images: ${{env.REGISTRY}}/${{env.IMAGE_NAME}}
           tags: |