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

treewide replacement of

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

to pname

pkgs/tools/audio/pasystray/default.nix

@@ -4,13 +4,13 @@
 }:
 
 stdenv.mkDerivation rec {
-  name = "pasystray-${version}";
+  pname = "pasystray";
   version = "0.7.1";
 
   src = fetchFromGitHub {
     owner = "christophgysin";
     repo = "pasystray";
-    rev = name;
+    rev = "${pname}-${version}";
     sha256 = "0xx1bm9kimgq11a359ikabdndqg5q54pn1d1dyyjnrj0s41168fk";
   };