treewide: name -> pname (easy cases) (#66585)

treewide replacement of

stdenv.mkDerivation rec {
  name = "*-${version}";
  version = "*";

to pname

pkgs/os-specific/linux/libcap-ng/default.nix

@@ -3,13 +3,13 @@
 assert python2 != null || python3 != null -> swig != null;
 
 stdenv.mkDerivation rec {
-  name = "libcap-ng-${version}";
+  pname = "libcap-ng";
   # When updating make sure to test that the version with
   # all of the python bindings still works
   version = "0.7.9";
 
   src = fetchurl {
-    url = "${meta.homepage}/${name}.tar.gz";
+    url = "${meta.homepage}/${pname}-${version}.tar.gz";
     sha256 = "0a0k484kwv0zilry2mbl9k56cnpdhsjxdxin17jas6kkyfy345aa";
   };