Merge pull request #249563 from NixOS/php/extensions/fix-ddtrace-extension

phpExtensions.ddtrace: fix `pname`

pkgs/development/php-packages/datadog_trace/default.nix

···
 }:
 
 buildPecl rec {
-  pname = "datadog_trace";
+  pname = "ddtrace";
   version = "0.89.0";
 
   src = fetchFromGitHub {