use github env rather than workflow outputs

.github/workflows/deploy-cloud.yaml

@@ -29,7 +29,7 @@ jobs:
           else
             release_version=${{ github.event.inputs.version }}
           fi
-          echo "::set-output name=release_version::$release_version"
+          echo "RELEASE_VERSION=$release_version" >> $GITHUB_ENV
       
       - name: Configure AWS Credentials
         uses: aws-actions/configure-aws-credentials@v1
@@ -48,5 +48,5 @@ jobs:
           config-files: values.production.yaml
           chart-path: charts/budibase
           namespace: budibase
-          values: globals.appVersion=v${{ github.event.inputs.version }}
+          values: globals.appVersion=v${{ env.RELEASE_VERSION }}
           name: budibase-prod