MINOR: [CI] 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](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>

Author: dependabot[bot]

.github/workflows/rc.yml

@@ -127,7 +127,7 @@ jobs:
         with:
           repository: apache/parquet-testing
           path: arrow/cpp/submodules/parquet-testing
-      - uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
+      - uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4.0.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}