Merge pull request #33 from DawChihLiou/patch-1

upgrade refractor to 4.5.0

package.json

@@ -68,7 +68,7 @@
   "dependencies": {
     "hast-util-to-string": "^2.0.0",
     "parse-numeric-range": "^1.3.0",
-    "refractor": "^4.4.0",
+    "refractor": "^4.5.0",
     "rehype-parse": "^8.0.2",
     "unist-util-filter": "^4.0.0",
     "unist-util-visit": "^4.0.0"