Merge pull request #42 from hexojs/dependabot/npm_and_yarn/escape-string-regexp-tw-2.0.0

Update escape-string-regexp requirement from ^1.0.5 to ^2.0.0

Author: segayuu

package.json

@@ -30,7 +30,7 @@
   "dependencies": {
     "bluebird": "^3.5.1",
     "chokidar": "^3.0.0",
-    "escape-string-regexp": "^1.0.5",
+    "escape-string-regexp": "^2.0.0",
     "graceful-fs": "^4.1.11"
   },
   "devDependencies": {