Bump dopplerhq/cli-action from 3 to 4

Bumps [dopplerhq/cli-action](https://github.com/dopplerhq/cli-action) from 3 to 4.
- [Release notes](https://github.com/dopplerhq/cli-action/releases)
- [Commits](https://github.com/dopplerhq/cli-action/compare/v3...v4)

---
updated-dependencies:
- dependency-name: dopplerhq/cli-action
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/deploy.yml

@@ -50,7 +50,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Doppler CLI
-        uses: dopplerhq/cli-action@v3
+        uses: dopplerhq/cli-action@v4
 
       - name: Install Ansible
         run: |