Bump docker/login-action from 3.7.0 to 4.0.0 (CExA-project#1082)

Bumps [docker/login-action](https://github.com/docker/login-action) from 3.7.0 to 4.0.0.
- [Release notes](https://github.com/docker/login-action/releases)
- [Commits](docker/login-action@c94ce9f...b45d80f)

---
updated-dependencies:
- dependency-name: docker/login-action
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/early_integration.yaml

@@ -29,7 +29,7 @@ jobs:
       - name: Checkout built branch
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9  # v3.7.0
+        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2  # v4.0.0
         with:
           registry: ghcr.io
           username: ${{github.actor}}

.github/workflows/pages.yaml

@@ -41,7 +41,7 @@ jobs:
       - name: Checkout built branch
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9  # v3.7.0
+        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2  # v4.0.0
         with:
           registry: ghcr.io
           username: ${{github.actor}}

.github/workflows/tests-ubuntu.yaml

@@ -84,7 +84,7 @@ jobs:
       - name: Checkout built branch
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9  # v3.7.0
+        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2  # v4.0.0
         with:
           registry: ghcr.io
           username: ${{github.actor}}