Deps: Bump docker/login-action

Bumps the dependencies group in /container-multi-arch-manifest with 1 update: [docker/login-action](https://github.com/docker/login-action).


Updates `docker/login-action` from 4.2.0 to 4.4.0
- [Release notes](https://github.com/docker/login-action/releases)
- [Commits](docker/login-action@650006c...af1e73f)

---
updated-dependencies:
- dependency-name: docker/login-action
  dependency-version: 4.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies
...

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

Author: dependabot[bot]

container-multi-arch-manifest/action.yaml

@@ -44,7 +44,7 @@ runs:
   using: "composite"
   steps:
     - name: Login to docker registry
-      uses: docker/login-action@650006c6eb7dba73a995cc03b0b2d7f5ca915bee # v4.2.0
+      uses: docker/login-action@af1e73f918a031802d376d3c8bbc3fe56130a9b0 # v4.4.0
       with:
         registry: ${{ inputs.registry }}
         username: ${{ inputs.registry-username }}