upload assets to gcs (#378)

.github/workflows/release.yml

@@ -22,13 +22,19 @@ jobs:
         secrets: |
           secret/data/github/repo/${{ github.repository }}/dockerhub/rancher/credentials username | DOCKER_USERNAME ;
           secret/data/github/repo/${{ github.repository }}/dockerhub/rancher/credentials password | DOCKER_PASSWORD ;
+          secret/data/github/repo/${{ github.repository }}/google-auth/rancher/credentials token  | GOOGLE_AUTH ;
 
     - name: Login to Docker Hub
       uses: docker/login-action@v3
       with:
         username: ${{ env.DOCKER_USERNAME }}
         password: ${{ env.DOCKER_PASSWORD }}
 
+    - name: Authenticate to Google Cloud 
+      uses: google-github-actions/auth@v2
+      with:
+        credentials_json: "${{ env.GOOGLE_AUTH }}"
+
     - name: Set up Go
       uses: actions/setup-go@v5
       with:
@@ -75,6 +81,14 @@ jobs:
         find . -maxdepth 1 -type f ! -name sha256sum.txt -printf '%P\0' | xargs -0 sha256sum > sha256sum.txt
         gh release upload $VERSION *.txt *.xz *.gz *.zip
 
+    - name: Upload Release assets to Google Cloud
+      uses: google-github-actions/upload-cloud-storage@v2
+      with:
+        path: dist/artifacts/$VERSION
+        destination: releases.rancher.com/cli2/$VERSION
+        headers: |-
+          cache-control: public,max-age=3600
+
     - name: Docker Build
       uses: docker/build-push-action@v5
       with: