microsoft_gsl: use fetchpatch instead of fetchurl

The hash for this file when using fetchurl changed from
sha256-uouv35crtly8kYhKyvMyZkqwTKt1jXC6dZjw4sQ60v0=
to
sha256-nCPdC5eFDRyyeJzxJnoCvlukWy61OB7DoXD+R8dGlnw=

Lets use fetchpatch instead to potentially avoid this issue in the
future.

pkgs/development/libraries/microsoft_gsl/default.nix

@@ -3,7 +3,7 @@
 , fetchFromGitHub
 , cmake
 , gtest
-, fetchurl
+, fetchpatch
 , pkg-config
 }:
 
@@ -20,9 +20,9 @@ stdenv.mkDerivation rec {
 
   patches = [
     # Search for GoogleTest via pkg-config first, ref: https://github.com/NixOS/nixpkgs/pull/130525
-    (fetchurl {
+    (fetchpatch {
       url = "https://github.com/microsoft/GSL/commit/f5cf01083baf7e8dc8318db3648bc6098dc32d67.patch";
-      sha256 = "sha256-uouv35crtly8kYhKyvMyZkqwTKt1jXC6dZjw4sQ6uv0=";
+      sha256 = "sha256-HJxG87nVFo1CGNivCqt/JhjTj2xLzQe8bF5Km7/KG+Y=";
     })
   ];