chore(deps): update rust crate git2 to 0.18.0

Author: renovate[bot]

Cargo.lock

@@ -68,7 +68,7 @@ schemars = { version = "0.8.12", features = ["preserve_order"], optional = true
 clap = { version = "4.2", features = ["derive"], optional = true }
 proc-exit = { version = "2.0", optional = true }
 env_logger = { version = "0.10.0", optional = true }
-git2 = { version = "0.17.0", default-features = false, features = ["vendored-libgit2"] }
+git2 = { version = "0.18.0", default-features = false, features = ["vendored-libgit2"] }
 log = "0.4.17"
 
 [dev-dependencies]