Update docker/login-action action to v4

| datasource  | package             | from | to |
| ----------- | ------------------- | ---- | -- |
| github-tags | docker/login-action | v3   | v4 |


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

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -47,7 +47,7 @@ jobs:
 
       - name: Login to GitHub Container Registry
         if: ${{ github.ref_name == 'main' }}
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
@@ -128,7 +128,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}