Remove adding issues to Kanban board and add PRs to new dedicated PR board

We no longer use the board and migrated to Jira.
Add PRs to new dedicated PR board.

Author: lbarcziova

.github/workflows/opened-issues-to-the-board.yml

@@ -0,0 +1,14 @@
+name: Move PRs into the PRs board
+
+on:
+  pull_request_target:
+
+jobs:
+  add-pr-to-the-prs-board:
+    if: github.event.pull_request.draft == false
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/add-to-project@v0.3.0
+        with:
+          project-url: https://github.com/orgs/packit/projects/14
+          github-token: ${{ secrets.RELEASEBOT_GITHUB_TOKEN }}