Log Message:
devel/ruby-git: update to 1.16.0

1.16.0 (2023-03-03)

Changes since v1.15.0:

* 536d Fix parsing when in detached HEAD state in Git::Lib#branches_all
  (#641)
* 5c68 Fix parsing of symbolic refs in Git::Lib#branches_all (#640)
* 7d88 Remote#branch and #merge should default to current branch instead of
  "master" (#639)
* 3dda0 #branch name should default to current branch instead of master
  (#638)
* d33d #checkout without args should do same as git checkout with no args
  (#637)
* 0c90 #push without args should do same as git push with no args (#636)
* 2b19 Make it easier to run test files from the command line (#635)