build(deps): bump git2 from 0.13.14 to 0.13.15

Bumps [git2](https://github.com/rust-lang/git2-rs) from 0.13.14 to 0.13.15.
- [Release notes](https://github.com/rust-lang/git2-rs/releases)
- [Commits](https://github.com/rust-lang/git2-rs/compare/0.13.14...0.13.15)

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

Cargo.lock

@@ -471,9 +471,9 @@ dependencies = [
 
 [[package]]
 name = "git2"
-version = "0.13.14"
+version = "0.13.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "186dd99cc77576e58344ad614fa9bb27bad9d048f85de3ca850c1f4e8b048260"
+checksum = "44f267c9da8a4de3c615b59e23606c75f164f84896e97f4dd6c15a4294de4359"
 dependencies = [
  "bitflags 1.2.1",
  "libc",
@@ -576,9 +576,9 @@ dependencies = [
 
 [[package]]
 name = "libgit2-sys"
-version = "0.12.16+1.1.0"
+version = "0.12.17+1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f91b2f931ee975a98155195be8cd82d02e8e029d7d793d2bac1b8181ac97020"
+checksum = "f4ebdf65ca745126df8824688637aa0535a88900b83362d8ca63893bcf4e8841"
 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 = "0.13.14", default-features = false }
+git2 = { version = "0.13.15", default-features = false }
 toml = { version = "0.5.8", features = ["preserve_order"] }
 rust-ini = "0.16.0"
 serde_json = "1.0.61"