Merge pull request #170059 from dotlambda/simplejson-fix

python3Packages.simplejson: use unambiguous rev

pkgs/development/python-modules/simplejson/default.nix

···
   src = fetchFromGitHub {
     owner = pname;
     repo = pname;
-    rev = "v${version}";
+    rev = "refs/tags/v${version}";
     sha256 = "1irlp5sakbdfcf717qmrx0r9rjlmwk0vza6zm3y55d32zw5c1cxg";
   };