Update docker/metadata-action digest to c98ac5e

Author: renovate[bot]

Diff for: .github/workflows/docker-publish.yml

@@ -64,7 +64,7 @@ jobs:
       # https://github.com/docker/metadata-action
       - name: Extract Docker metadata
         id: meta
-        uses: docker/metadata-action@314ddf6d4a82333bf1bc7630399df41bf68eba09
+        uses: docker/metadata-action@c98ac5e987c125fe23d39b3cecb9ac130a108e27
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}