build(deps): bump git2 from 0.13.15 to 0.13.16

Bumps [git2](https://github.com/rust-lang/git2-rs) from 0.13.15 to 0.13.16.
- [Release notes](https://github.com/rust-lang/git2-rs/releases)
- [Commits](https://github.com/rust-lang/git2-rs/compare/0.13.15...0.13.16)

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

Cargo.lock

@@ -469,9 +469,9 @@ dependencies = [
 
 [[package]]
 name = "git2"
-version = "0.13.15"
+version = "0.13.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44f267c9da8a4de3c615b59e23606c75f164f84896e97f4dd6c15a4294de4359"
+checksum = "f28f83eecb0de4d4afb74aef4874963739d6d167752a7a5ba156e56b27a4ede7"
 dependencies = [
  "bitflags 1.2.1",
  "libc",
@@ -574,9 +574,9 @@ dependencies = [
 
 [[package]]
 name = "libgit2-sys"
-version = "0.12.17+1.1.0"
+version = "0.12.18+1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4ebdf65ca745126df8824688637aa0535a88900b83362d8ca63893bcf4e8841"
+checksum = "3da6a42da88fc37ee1ecda212ffa254c25713532980005d5f7c0b0fbe7e6e885"
 dependencies = [
  "cc",
  "libc",

Cargo.toml

@@ -31,7 +31,7 @@ tls-vendored = ["native-tls/vendored"]
 clap = "2.33.3"
 ansi_term = "0.12.1"
 dirs-next = "2.0.0"
-git2 = { version = "0.13.15", default-features = false }
+git2 = { version = "0.13.16", default-features = false }
 toml = { version = "0.5.8", features = ["preserve_order"] }
 rust-ini = "0.16.0"
 serde_json = "1.0.61"