chore: ci test that assert CLI runs with image

.github/workflows/test-cli.yaml

@@ -0,0 +1,34 @@
+name: Test Juno CLI runs from Docker image
+
+on:
+  workflow_dispatch:
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: Dockerfile
+          load: true
+          tags: juno-action:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Test Juno CLI version
+        run: |
+          OUTPUT=$(docker run --rm -e JUNO_TOKEN="${{ secrets.JUNO_TOKEN }}" juno-action version --cli)
+          echo "$OUTPUT"
+          if [[ "$OUTPUT" != *"v0.4.0"* ]]; then
+            echo "❌ Expected version v0.4.0 not found in output"
+            exit 1
+          fi
+        shell: bash