Update docker/login-action action to v4 (#40)

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

Author: renovate[bot]

.github/workflows/multi-build.yaml

@@ -111,7 +111,7 @@ jobs:
       - name: Login to GitHub Container Registry
         # This step logs in to the GitHub Container Registry (GHCR) using the docker/login-action.
         # It uses the GitHub actor's username and the GITHUB_TOKEN secret for authentication.
-        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
+        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4.0.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -220,7 +220,7 @@ jobs:
             network=host
 
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
+        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4.0.0
         # This step logs in to the GitHub Container Registry (GHCR) using the docker/login-action.
         # It uses the GitHub actor's username and the GITHUB_TOKEN secret for authentication.
         # The login is necessary to push the merged manifest list to GHCR.