cargo-zigbuild, cargo-lambda: unpin zig_0_12 (#373138)

Author: NickCao

pkgs/top-level/all-packages.nix

@@ -6749,7 +6749,6 @@ with pkgs;
     inherit (darwin.apple_sdk.frameworks) Security;
   };
   cargo-lambda = callPackage ../development/tools/rust/cargo-lambda {
-    zig = buildPackages.zig_0_12;
     inherit (darwin.apple_sdk.frameworks) CoreServices Security;
   };
   cargo-ndk = callPackage ../development/tools/rust/cargo-ndk {
@@ -6772,9 +6771,7 @@ with pkgs;
     inherit (darwin.apple_sdk.frameworks) Security;
   };
 
-  cargo-zigbuild = callPackage ../development/tools/rust/cargo-zigbuild {
-    zig = buildPackages.zig_0_12;
-  };
+  cargo-zigbuild = callPackage ../development/tools/rust/cargo-zigbuild { };
 
   opensmalltalk-vm = callPackage ../development/compilers/opensmalltalk-vm { };