build(deps): bump docker/login-action from 3.7.0 to 4.0.0

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](c94ce9fb46...b45d80f862)

---
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>

.github/workflows/on-main-push.yaml

@@ -40,7 +40,7 @@ jobs:
           version: 2025.10.5
 
       - name: Login to ghcr.io
-        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
+        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4.0.0
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}

.github/workflows/on-tag.yaml

@@ -76,7 +76,7 @@ jobs:
           severity: 'CRITICAL,HIGH'
 
       - name: Login to ghcr.io
-        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
+        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4.0.0
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}