ci: auto-request reviews from @Pijukatel and apify-factory

.github/CODEOWNERS

@@ -1 +1,2 @@
+* @Pijukatel
 /.github/workflows/factory_review.yaml @mtrunkat

.github/workflows/request_factory_review.yaml

@@ -0,0 +1,27 @@
+name: Request apify-factory review
+
+on:
+    # Taken from the default branch, never from the pull request. Pull request code is never
+    # checked out or executed.
+    pull_request_target:
+        types:
+            - opened
+            - ready_for_review
+
+permissions: {}
+
+jobs:
+    request-review:
+        if: >-
+            !github.event.pull_request.draft
+            && github.event.pull_request.user.login != 'apify-factory'
+        runs-on: ubuntu-latest
+        timeout-minutes: 5
+        steps:
+            # Requested with apify-factory's own token: a request made with GITHUB_TOKEN wouldn't
+            # trigger the `review_requested` run of factory_review.yaml.
+            - env:
+                  GH_TOKEN: ${{ secrets.APIFY_FACTORY_GITHUB_TOKEN }}
+                  REPO: ${{ github.repository }}
+                  PR_NUMBER: ${{ github.event.pull_request.number }}
+              run: gh api -X POST "repos/$REPO/pulls/$PR_NUMBER/requested_reviewers" -f 'reviewers[]=apify-factory' --silent