uni: add changelog to meta

pkgs/applications/misc/uni/default.nix

···
-{ lib, buildGoModule, fetchFromGitHub }:
+{ lib
+, buildGoModule
+, fetchFromGitHub
+}:
 
 buildGoModule rec {
   pname = "uni";
···
   src = fetchFromGitHub {
     owner = "arp242";
     repo = "uni";
-    rev = "v${version}";
+    rev = "refs/tags/v${version}";
     hash = "sha256-kWiglMuJdcD7z2MDfz1MbItB8r9BJ7LUqfPfJa8QkLA=";
   };
 
   vendorHash = "sha256-6HNFCUSJA6oduCx/SCUQQeCHGS7ohaWRunixdwMurBw=";
 
-  ldflags = [ "-s" "-w" "-X main.version=${version}" ];
+  ldflags = [
+    "-s"
+    "-w"
+    "-X=main.version=${version}"
+  ];
 
   meta = with lib; {
     homepage = "https://github.com/arp242/uni";
     description = "Query the Unicode database from the commandline, with good support for emojis";
+    changelog = "https://github.com/arp242/uni/releases/tag/v${version}";
     license = licenses.mit;
     maintainers = with maintainers; [ chvp ];
   };