Allow IT job to update PR status (#1334)

<!-- A note on testing your PR -->
<!-- Basic unit test run is executed against each commit in the PR.
If you want to run a full integration test suite, you can trigger it by
commenting
     with '/run-integration-tests' -->

Author: mieciu

.github/workflows/integration-tests.yml

@@ -1,5 +1,10 @@
 name: Integration tests
 
+permissions:
+  contents: read
+  pull-requests: read
+  statuses: write
+
 on:
   push:
     branches: [ "main" ]