github-actions: bump docker/login-action from 3.1.0 to 3.2.0 (#10356)

Bumps [docker/login-action](https://github.com/docker/login-action) from 3.1.0 to 3.2.0.
- [Release notes](https://github.com/docker/login-action/releases)
- [Commits](https://github.com/docker/login-action/compare/e92390c5fb421da1463c202d546fed0ec5c39f20...0d4c9c5ea7693da7b068278f7b52bda2a190a446)

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

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

.github/workflows/docker.yml

@@ -91,7 +91,7 @@ jobs:
 
     - name: Login to DockerHub
       if: success() && github.repository == 'openthread/openthread' && github.event_name != 'pull_request'
-      uses: docker/login-action@e92390c5fb421da1463c202d546fed0ec5c39f20 # v3.1.0
+      uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446 # v3.2.0
       with:
         username: ${{ secrets.DOCKER_USERNAME }}
         password: ${{ secrets.DOCKER_PASSWORD }}