stylua: 2.3.0 -> 2.3.1, set myself as maintainer (#458161)

pkgs/by-name/st/stylua/package.nix

@@ -2,6 +2,8 @@
   lib,
   rustPlatform,
   fetchFromGitHub,
+  nix-update-script,
+  testers,
   # lua54 implies lua52/lua53
   features ? [
     "lua54"
@@ -10,18 +12,18 @@
   ],
 }:
 
-rustPlatform.buildRustPackage rec {
+rustPlatform.buildRustPackage (finalAttrs: {
   pname = "stylua";
-  version = "2.3.0";
+  version = "2.3.1";
 
   src = fetchFromGitHub {
     owner = "johnnymorganz";
     repo = "stylua";
-    rev = "v${version}";
-    sha256 = "sha256-iyZ30Gc32TQsQyMLwArfIRtM0NkbXkqmca46nI0526M=";
+    rev = "v${finalAttrs.version}";
+    sha256 = "sha256-wpFp6K5O1Vb/yHq+Lm0235nbeOdOgBK0NrlVAthz12A=";
   };
 
-  cargoHash = "sha256-H50/e/XyFvXHhwrKUbKZFZwSHfwAkAtddEvFiOr5220=";
+  cargoHash = "sha256-+llL9WoKnrXJjlaPNqdN4jGPjSHz2EuI2V44fghF5aM=";
 
   # remove cargo config so it can find the linker on aarch64-unknown-linux-gnu
   postPatch = ''
@@ -30,12 +32,17 @@ rustPlatform.buildRustPackage rec {
 
   buildFeatures = features;
 
+  passthru = {
+    tests.version = testers.testVersion { package = finalAttrs.finalPackage; };
+    updateScript = nix-update-script { };
+  };
+
   meta = {
     description = "Opinionated Lua code formatter";
     homepage = "https://github.com/johnnymorganz/stylua";
-    changelog = "https://github.com/johnnymorganz/stylua/blob/v${version}/CHANGELOG.md";
+    changelog = "https://github.com/johnnymorganz/stylua/blob/v${finalAttrs.version}/CHANGELOG.md";
     license = lib.licenses.mpl20;
-    maintainers = [ ];
+    maintainers = [ lib.maintainers.LunNova ];
     mainProgram = "stylua";
   };
-}
+})