feat: add webpack@5 to peerDeps for npm@7 compat (#226)

Allow webpack@5 as peerDependency so it don't install version 4 if not needed.

Related to: #216

Author: midudev

package.json

@@ -35,7 +35,7 @@
     "LICENSE"
   ],
   "peerDependencies": {
-    "webpack": "^4.20.2"
+    "webpack": "^4.20.2 || ^5.0.0"
   },
   "dependencies": {
     "chalk": "^4.0.0",