[Automatic] Update because new branch created release-1.8 (#6110)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: operator-bot-account[bot]

.github/workflows/e2e-tests-ondemand.yaml

@@ -4,7 +4,7 @@ on:
   workflow_dispatch:
     inputs:
       target:
-        description: 'Target branch to run E2E ondemand tests over'
+        description: Target branch to run E2E ondemand tests over
         # Note: we don't use default here with default branch because it doesn't work with
         # schedule, so it will be null.
         required: false