Merge pull request #333 from NHSDigital/dependabot/github_actions/docker/metadata-action-6.0.0

Bump docker/metadata-action from 5.10.0 to 6.0.0

Author: Themitchell

.github/workflows/stage-3-build.yaml

@@ -65,7 +65,7 @@ jobs:
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@c299e40c65443455700f0fdfc63efafe5b349051
+        uses: docker/metadata-action@030e881283bb7a6894de51c315a6bfe6a94e05cf
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |