Re-enable issues and pull requests

.github/workflows/lockdown.yaml

@@ -1,31 +0,0 @@
-name: 'Repo Lockdown'
-
-on:
-  issues:
-    types: opened
-  pull_request_target:
-    types: opened
-
-permissions:
-  issues: write
-  pull-requests: write
-
-jobs:
-  action:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: dessant/repo-lockdown@v4
-        with:
-          github-token: ${{ github.token }}
-          issue-comment: |
-              Thank you for opening an issue however,
-              PiVPN is in read-only mode, issues are not accepted.
-              More info is available in the README.
-              Github discussions is still available if you want help from community.
-
-          pr-comment: |
-              Thank you for your pull request however,
-              PiVPN is in read-only mode, pull requests are not accepted.
-              More info is available in the README.
-              Github discussions is still available if you want help from community.
-