Bump docker/login-action from 3 to 4

Bumps [docker/login-action](https://github.com/docker/login-action) from 3 to 4.
- [Release notes](https://github.com/docker/login-action/releases)
- [Commits](https://github.com/docker/login-action/compare/v3...v4)

---
updated-dependencies:
- dependency-name: docker/login-action
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build-push-backend.yml

@@ -92,7 +92,7 @@ jobs:
 
       - name: Log in to GitHub Container Registry
         if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -100,7 +100,7 @@ jobs:
 
       - name: Log in to Quay
         if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           registry: quay.io
           username: ${{ secrets.QUAY_USERNAME }}
@@ -174,14 +174,14 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Log in to GitHub Container Registry
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Log in to Quay
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           registry: quay.io
           username: ${{ secrets.QUAY_USERNAME }}

.github/workflows/build-push-metadata_relay.yml

@@ -56,7 +56,7 @@ jobs:
           driver-opts: image=moby/buildkit:rootless
 
       - name: Log in to GitHub Container Registry
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         if:  github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository
         with:
           registry:  ghcr.io
@@ -64,7 +64,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Log in to Quay
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository
         with:
           registry: quay.io
@@ -138,14 +138,14 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Log in to GitHub Container Registry
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           registry:  ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Log in to Quay
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           registry: quay.io
           username: ${{ secrets.QUAY_USERNAME }}