Update chalk to version 4.1.1

Author: depfu[bot]

package-lock.json

@@ -63,7 +63,7 @@
   "dependencies": {
     "@fullhuman/postcss-purgecss": "^3.1.3",
     "bytes": "^3.0.0",
-    "chalk": "^4.1.0",
+    "chalk": "^4.1.1",
     "chokidar": "^3.5.1",
     "color": "^3.1.3",
     "detective": "^5.2.0",