Bump libgit2-sys from 0.14.0+1.5.0 to 0.14.2+1.5.1

Bumps [libgit2-sys](https://github.com/rust-lang/git2-rs) from 0.14.0+1.5.0 to 0.14.2+1.5.1.
- [Release notes](https://github.com/rust-lang/git2-rs/releases)
- [Commits](rust-lang/git2-rs@0.14.0...libgit2-sys-0.14.2)

---
updated-dependencies:
- dependency-name: libgit2-sys
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]