dnsdiag: migrate to finalAttrs

pkgs/by-name/dn/dnsdiag/package.nix

@@ -4,7 +4,7 @@
   python3,
 }:
 
-python3.pkgs.buildPythonApplication rec {
+python3.pkgs.buildPythonApplication (finalAttrs: {
   pname = "dnsdiag";
   version = "2.9.2";
   pyproject = true;
@@ -12,7 +12,7 @@ python3.pkgs.buildPythonApplication rec {
   src = fetchFromGitHub {
     owner = "farrokhi";
     repo = "dnsdiag";
-    tag = "v${version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-AWMtdx70FW6L3JVQH5DNbzJGJ7kfw7THQNlTiyZ16c0=";
   };
 
@@ -35,9 +35,9 @@ python3.pkgs.buildPythonApplication rec {
   meta = {
     description = "DNS Measurement, Troubleshooting and Security Auditing Toolset";
     homepage = "https://github.com/farrokhi/dnsdiag";
-    changelog = "https://github.com/farrokhi/dnsdiag/releases/tag/${src.tag}";
+    changelog = "https://github.com/farrokhi/dnsdiag/releases/tag/${finalAttrs.src.tag}";
     license = lib.licenses.bsd2;
     maintainers = with lib.maintainers; [ fab ];
     mainProgram = "dnsdiag";
   };
-}
+})