chore(nix): update clang-format to clang-tools 16

Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>

nix/dev.nix

@@ -23,6 +23,8 @@
             types_or = ["c" "c++" "java" "json" "objective-c"];
           };
         };
+
+        tools.clang-tools = pkgs.clang-tools_16;
       };
     };