chore(deps): bump git2 from 0.18.3 to 0.20.2

Bumps [git2](https://github.com/rust-lang/git2-rs) from 0.18.3 to 0.20.2.
- [Changelog](https://github.com/rust-lang/git2-rs/blob/master/CHANGELOG.md)
- [Commits](rust-lang/git2-rs@git2-0.18.3...git2-0.20.2)

---
updated-dependencies:
- dependency-name: git2
  dependency-version: 0.20.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -64,7 +64,7 @@ once_cell = "1.19"
 rayon = "1.8"
 open = "5.0"
 urlencoding = "2.1"
-git2 = { version = "0.18", features = ["vendored-openssl"] }
+git2 = { version = "0.20", features = ["vendored-openssl"] }
 streaming-iterator = "0.1"
 log = "0.4"
 log4rs = "1.4"