Update cc-rs to 1.2.39

Author: dpaoliello

Cargo.lock

@@ -464,10 +464,11 @@ version = "0.1.0"
 
 [[package]]
 name = "cc"
-version = "1.2.16"
+version = "1.2.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be714c154be609ec7f5dad223a33bf1482fff90472de28f7362806e6d4832b8c"
+checksum = "e1354349954c6fc9cb0deab020f27f783cf0b604e8bb754dc4658ecf0d29c35f"
 dependencies = [
+ "find-msvc-tools",
  "jobserver",
  "libc",
  "shlex",

compiler/rustc_llvm/Cargo.toml

@@ -11,7 +11,7 @@ libc = "0.2.73"
 [build-dependencies]
 # tidy-alphabetical-start
 # `cc` updates often break things, so we pin it here.
-cc = "=1.2.16"
+cc = "=1.2.39"
 # tidy-alphabetical-end
 
 [features]