Update docker/login-action action to v4 (#248)

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

Author: renovate[bot]

.github/workflows/docker.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Build Image
         run: docker build . -t ghcr.io/${{ github.repository }}:${{ github.sha }}
       - name: Login to GitHub Packages
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           registry: ghcr.io
           username: ${{ github.actor }}