fix impatient not found on bootstrap

tree-sitter-lua/binding.gyp

@@ -0,0 +1,19 @@
+{
+  "targets": [
+    {
+      "target_name": "tree_sitter_lua_binding",
+      "include_dirs": [
+        "<!(node -e \"require('nan')\")",
+        "src"
+      ],
+      "sources": [
+        "src/parser.c",
+        "src/scanner.c",
+        "bindings/node/binding.cc"
+      ],
+      "cflags_c": [
+        "-std=c99"
+      ]
+    }
+  ]
+}