Bump git2 from 0.13.15 to 0.13.16 (#667)
Bump git2 from 0.13.15 to 0.13.16 (#667)

Bumps [git2](https://github.com/rust-lang/git2-rs) from 0.13.15 to 0.13.16.
- [Release notes](https://github.com/rust-lang/git2-rs/releases)
- [Commits](https://github.com/rust-lang/git2-rs/compare/0.13.15...0.13.16)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>

Co-authored-by: dependabot-preview[bot] <6a4c1c4838f800d1998274cd5234e1f65c55e90c@users.noreply.github.com>
xd009642/tarpaulin,xd009642/tarpaulin