Bump git2 from 0.13.24 to 0.13.25 (#549)

Bumps [git2](https://github.com/rust-lang/git2-rs) from 0.13.24 to 0.13.25.
- [Release notes](https://github.com/rust-lang/git2-rs/releases)
- [Commits](rust-lang/git2-rs@0.13.24...0.13.25)

---
updated-dependencies:
- dependency-name: git2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Diff for: Cargo.lock

@@ -33,7 +33,7 @@ bytecount = "0.6.2"
 clap = {version = "2.34.0", features = ["wrap_help"]}
 color_quant = "1.1.0"
 colored = "2.0.0"
-git2 = {version = "0.13.24", default-features = false}
+git2 = {version = "0.13.25", default-features = false}
 image = "0.23.14"
 regex = "1.4.6"
 serde = "1.0.130"