Regenerate with latest tree-sitter-cli

This fixes a bug in regex quantifier handling that affects the
escape sequence token.

package.json

@@ -13,7 +13,7 @@
     "nan": "^2.10.0"
   },
   "devDependencies": {
-    "tree-sitter-cli": "^0.13.4"
+    "tree-sitter-cli": "^0.13.6"
   },
   "scripts": {
     "build": "tree-sitter generate && node-gyp build",