fix: e2e typo

.github/workflows/e2e.yml

@@ -89,7 +89,7 @@ jobs:
   integration-fork:
     runs-on: ubuntu-latest
     if:
-      github.event_name = 'repository_dispatch' &&
+      github.event_name == 'repository_dispatch' &&
       github.event.client_payload.slash_command.args.named.sha != ''
     steps: