Bump git2 from 0.18.1 to 0.18.2

Bumps [git2](https://github.com/rust-lang/git2-rs) from 0.18.1 to 0.18.2.
- [Changelog](https://github.com/rust-lang/git2-rs/blob/master/CHANGELOG.md)
- [Commits](rust-lang/git2-rs@git2-0.18.1...git2-0.18.2)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -19,7 +19,7 @@ bincode = "1.3"
 comrak = "0.21.0"
 clap = { version = "4.4.10", features = ["cargo", "derive"] }
 futures = "0.3"
-git2 = "0.18.0"
+git2 = "0.18.2"
 hex = "0.4"
 humantime = "2.1"
 itertools = "0.12"