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

treewide replacement of

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

to pname

pkgs/tools/networking/dd-agent/5.nix

@@ -40,7 +40,7 @@ let
 
 in stdenv.mkDerivation rec {
   version = "5.11.2";
-  name = "dd-agent-${version}";
+  pname = "dd-agent";
 
   src = fetchFromGitHub {
     owner  = "datadog";

pkgs/tools/networking/dd-agent/datadog-agent.nix

@@ -6,7 +6,7 @@ let
   python = pythonPackages.python;
 
 in buildGoPackage rec {
-  name = "datadog-agent-${version}";
+  pname = "datadog-agent";
   version = "6.11.2";
   owner   = "DataDog";
   repo    = "datadog-agent";

pkgs/tools/networking/dd-agent/datadog-process-agent.nix

@@ -1,7 +1,7 @@
 { stdenv, fetchFromGitHub, buildGoPackage  }:
 
 buildGoPackage rec {
-  name = "datadog-process-agent-${version}";
+  pname = "datadog-process-agent";
   version = "6.11.1";
   owner   = "DataDog";
   repo    = "datadog-process-agent";