ci: adding auto assignee (#4174)

* feat: add automatic assignee assignment for pull requests

* fix: exclude specific bots from automatic assignee assignment in pull requests

* chore: adding changelog file 4174.miscellaneous.md [dependabot-skip]

* fix: update condition for adding assignee in pull requests to handle empty assignees correctly

* fix: update condition for checking empty assignees in pull requests

* chore: empty commit to trigger CICD and see not new assignments

* chore: adding changelog file 4174.miscellaneous.md [dependabot-skip]

---------

Co-authored-by: pyansys-ci-bot <[email protected]>

Author: germa89

.github/workflows/ci.yml

@@ -45,6 +45,22 @@ permissions:
 
 jobs:
 
+  add_labels:
+    name: Adding assignee if there is none.
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions-ecosystem/action-add-assignees@v1
+        if: |
+          (
+          github.event_name == 'pull_request' &&
+          github.actor != 'dependabot[bot]' &&
+          github.actor != 'pyansys-ci-bot' &&
+          toJson(github.event.pull_request.assignees) == '[]'
+          )
+        with:
+          github_token: ${{ secrets.github_token }}
+          assignees: ${{ github.actor }}
+
   update-changelog:
     name: "Update CHANGELOG (on release)"
     if: github.event_name == 'push' && contains(github.ref, 'refs/tags')

doc/changelog.d/4174.miscellaneous.md

@@ -0,0 +1 @@
+Ci: adding auto assignee