Update release.yml

.github/workflows/release.yml

@@ -7,6 +7,7 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
+  UPLOAD_URL: ''
 
 jobs:
 
@@ -35,6 +36,8 @@ jobs:
         draft: false
         prerelease: false
 
+    - name: Set ENV
+      run: ::set-env name=UPLOAD_URL::${{ steps.create_release.outputs.upload_url }}
 
   upload:
 
@@ -90,7 +93,7 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       with:
          # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps 
-        upload_url: ${{ steps.create_release.outputs.upload_url }}
+        upload_url: ${{ env.UPLOAD_URL }}
         asset_path: gcr.zip
         asset_name: GCR-${{ runner.os }}.zip
         asset_content_type: application/zip