Merge pull request #267651 from aaronjheng/labctl

labctl: pin to go1.20

pkgs/top-level/all-packages.nix

···
 
   lab = callPackage ../applications/version-management/lab { };
 
-  labctl = callPackage ../tools/networking/labctl { };
+  labctl = callPackage ../tools/networking/labctl {
+    buildGoModule = buildGo120Module;
+  };
 
   lefthook = callPackage ../applications/version-management/lefthook { };