build(deps): bump git2 from 0.13.6 to 0.13.8

Bumps [git2](https://github.com/rust-lang/git2-rs) from 0.13.6 to 0.13.8.
- [Release notes](https://github.com/rust-lang/git2-rs/releases)
- [Commits](https://github.com/rust-lang/git2-rs/compare/0.13.6...0.13.8)

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

Cargo.lock

@@ -422,9 +422,9 @@ dependencies = [
 
 [[package]]
 name = "git2"
-version = "0.13.6"
+version = "0.13.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11e4b2082980e751c4bf4273e9cbb4a02c655729c8ee8a79f66cad03c8f4d31e"
+checksum = "e6ac22e49b7d886b6802c66662b12609452248b1bc9e87d6d83ecea3db96f557"
 dependencies = [
  "bitflags",
  "libc",
@@ -530,9 +530,9 @@ checksum = "9457b06509d27052635f90d6466700c65095fdf75409b3fbdd903e988b886f49"
 
 [[package]]
 name = "libgit2-sys"
-version = "0.12.7+1.0.0"
+version = "0.12.9+1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bcd07968649bcb7b9351ecfde53ca4d27673cccfdf57c84255ec18710f3153e0"
+checksum = "9b33bf3d9d4c45b48ae1ea7c334be69994624dc0a69f833d5d9f7605f24b552b"
 dependencies = [
  "cc",
  "libc",

Cargo.toml

@@ -31,7 +31,7 @@ tls-vendored = ["native-tls/vendored"]
 clap = "2.33.1"
 ansi_term = "0.12.1"
 dirs-next = "1.0.1"
-git2 = { version = "0.13.6", default-features = false, features = [] }
+git2 = { version = "0.13.8", default-features = false, features = [] }
 toml = { version = "0.5.6", features = ["preserve_order"] }
 serde_json = "1.0.56"
 rayon = "1.3.1"