Update 70checkmarketplace.yml

Author: tomcat323

buildspec/release/70checkmarketplace.yml

@@ -36,7 +36,7 @@ phases:
                 fi
             # If in beta, use code-insiders to install specific beta version
             - |
-                if false; then
+                if [ "$STAGE" != "prod" ]; then
                   echo "checkmarketplace: Non-production stage detected. Installing beta version "${beta_version}"."
                   VERSION=${beta_version#@}
                 else