Bump git2 from 0.13.12 to 0.13.13 (#991)

Cargo.lock

@@ -430,9 +430,9 @@ dependencies = [
 
 [[package]]
 name = "git2"
-version = "0.13.12"
+version = "0.13.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca6f1a0238d7f8f8fd5ee642f4ebac4dbc03e03d1f78fbe7a3ede35dcf7e2224"
+checksum = "802b535f89475f22bb2b3d589de07861417e67b1a358c7ec8e5005bf4f209133"
 dependencies = [
  "bitflags",
  "libc",
@@ -577,9 +577,9 @@ checksum = "1482821306169ec4d07f6aca392a4681f66c75c9918aa49641a2595db64053cb"
 
 [[package]]
 name = "libgit2-sys"
-version = "0.12.14+1.1.0"
+version = "0.12.15+1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f25af58e6495f7caf2919d08f212de550cfa3ed2f5e744988938ea292b9f549"
+checksum = "48c39622f3887bc7fb2fff6d06293f64b02c1dfa281212566ac155171d13b0eb"
 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 = "0.13.12"
+git2 = "0.13.13"
 hex = "0.4.2"
 num-format = "0.4.0"