chore(deps): update shrink/actions-docker-registry-tag action to v4 (#47)

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

Author: renovate[bot]

action.yml

@@ -135,7 +135,7 @@ runs:
 
     # If a build is not required, reuse a previous image
     - name: Recycle/retag Previous Images
-      uses: shrink/actions-docker-registry-tag@v3
+      uses: shrink/actions-docker-registry-tag@v4
       if: steps.build.outputs.triggered != 'true'
       with:
         registry: ghcr.io