ci: add reusable OpenCodeReview PR workflow

.github/workflows/ocr.yml

@@ -0,0 +1,41 @@
+name: OpenCodeReview
+
+concurrency:
+  group: >-
+    ${{
+      (
+        github.event_name == 'pull_request_target'
+        || (
+          github.event_name == 'issue_comment'
+          && github.event.issue.pull_request
+          && github.event.comment.user.type != 'Bot'
+          && (
+            github.event.comment.author_association == 'MEMBER'
+            || github.event.comment.author_association == 'OWNER'
+            || github.event.comment.author_association == 'COLLABORATOR'
+          )
+          && (
+            startsWith(github.event.comment.body, '/open-code-review')
+            || startsWith(github.event.comment.body, '@open-code-review')
+          )
+        )
+      )
+      && format('ocr-{0}', github.event.pull_request.number || github.event.issue.number)
+      || format('noop-{0}', github.run_id)
+    }}
+  cancel-in-progress: true
+
+on:
+  pull_request_target:
+    types: [opened, synchronize, reopened]
+  issue_comment:
+    types: [created]
+
+permissions:
+  contents: read
+  pull-requests: write
+
+jobs:
+  review:
+    uses: ./.github/workflows/ocr-review.yml
+    secrets: inherit