chore: move orginal github actions away

.github/workflows/pull_request_base_branch.yaml

@@ -1,17 +0,0 @@
-name: Pull Request Base Branch
-on:
-    pull_request:
-        types: [opened, edited, synchronize]
-permissions: {} # No permissions required
-jobs:
-    check_base_branch:
-        name: Check PR base branch
-        runs-on: ubuntu-24.04
-        steps:
-            - uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7
-              with:
-                  script: |
-                      const baseBranch = context.payload.pull_request.base.ref;
-                      if (!['develop', 'staging'].includes(baseBranch) && !baseBranch.startsWith('feat/')) {
-                          core.setFailed(`Invalid base branch: ${baseBranch}`);
-                      }