update to v17-alpha.7, testing bug fixed (#3771)

Author: yaacovCR

.github/workflows/pr-graphql-compat-check.yml

@@ -24,7 +24,7 @@ jobs:
     strategy:
       matrix:
         release:
-          ['15.5.3', '^15.8.0', '16.1.0', '16.2.0', '16.3.0', '17.0.0-alpha.5']
+          ['15.5.3', '^15.8.0', '16.1.0', '16.2.0', '16.3.0', '17.0.0-alpha.7']
     steps:
       - name: Cancel Previous Runs
         uses: styfle/[email protected]