Update configuration updatecli for 8.x snapshot (#2608)

Author: mrodm

.github/workflows/updatecli/updatecli.d/bump-latest-8x-snapshot-version.yml

@@ -29,7 +29,7 @@ sources:
     name: Get latest snapshot build
     kind: json
     spec:
-      file: https://storage.googleapis.com/artifacts-api/snapshots/8.x.json
+      file: https://storage.googleapis.com/artifacts-api/snapshots/8.19.json
       key: .build_id
 
 targets: