Bump git2 from 0.13.14 to 0.13.15 (#1008)

Cargo.lock

@@ -441,9 +441,9 @@ 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",
  "libc",
@@ -588,9 +588,9 @@ checksum = "1482821306169ec4d07f6aca392a4681f66c75c9918aa49641a2595db64053cb"
 
 [[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",

boa_tester/Cargo.toml

@@ -21,6 +21,6 @@ regex = "1.4.2"
 once_cell = "1.5.2"
 colored = "2.0.0"
 fxhash = "0.2.1"
-git2 = "0.13.14"
+git2 = "0.13.15"
 hex = "0.4.2"
 num-format = "0.4.0"