Update unified release version

Author: stevejgordon

.github/workflows/unified-release.yml

@@ -21,7 +21,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        stack_version: [ '8.2.0-SNAPSHOT']
+        stack_version: [ '9.0.0-SNAPSHOT']
 
     steps:
       - name: Checkout