Add workflow to trigger CodeRabbit review for Bot PRs

It calls the reusable workflow in the submariner-bot repo.

Signed-off-by: Tom Pantelis <tompantelis@gmail.com>

.github/workflows/coderabbit-review.yml

@@ -0,0 +1,16 @@
+---
+name: Trigger CodeRabbit for Bot PRs
+on:
+  pull_request_target:
+    types: [opened]
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  trigger-review:
+    uses: submariner-io/submariner-bot/.github/workflows/coderabbit-trigger.yml@devel
+    with:
+      pr_number: ${{ github.event.pull_request.number }}
+    secrets: inherit