Update to 0.13
- New upstream release 0.13:
- Variable::Magic added as a runtime recommendation for greater visibility
(CPAN RT#89245)
- Fixed broken logic in compiler detection on older perls
- Fixed inaccurate repository metadata
- This release by ETHER -> update source URL
- Drop Pod Coverage patch, no longer needed
- Update shellbang patch
- Don't run the release tests when bootstrapping