blst: add meta.changelog

pkgs/by-name/bl/blst/package.nix

@@ -11,7 +11,7 @@ stdenv.mkDerivation (finalAttrs: {
   src = fetchFromGitHub {
     owner = "supranational";
     repo = "blst";
-    rev = "v${finalAttrs.version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-Q9/zGN93TnJt2c8YvSaURstoxT02ts3nVkO5V08m4TI=";
   };
 
@@ -72,6 +72,7 @@ stdenv.mkDerivation (finalAttrs: {
   doCheck = true;
 
   meta = with lib; {
+    changelog = "https://github.com/supranational/blst/releases/tag/${finalAttrs.src.tag}";
     description = "Multilingual BLS12-381 signature library";
     homepage = "https://github.com/supranational/blst";
     license = licenses.isc;