aws-c-common: 0.10.3 -> 0.12.4

Diff: https://www.github.com/awslabs/aws-c-common/compare/v0.10.3...v0.12.4

pkgs/by-name/aw/aws-c-common/package.nix

···
 stdenv.mkDerivation rec {
   pname = "aws-c-common";
   # nixpkgs-update: no auto update
-  version = "0.10.3";
+  version = "0.12.4";
 
   src = fetchFromGitHub {
     owner = "awslabs";
     repo = "aws-c-common";
     rev = "v${version}";
-    hash = "sha256-sA6CsLLHh4Ce/+ffl4OhisMSgdrD+EmXvTNGSq7/vvk=";
+    hash = "sha256-hKCIPZlLPyH7D3Derk2onyqTzWGUtCx+f2+EKtAKlwA=";
   };
 
   nativeBuildInputs = [ cmake ];