Revert "fix: downgrades strip-ansi to version 3.0.1 (#54)" (#55)

This reverts commit 5764c46.

Author: coreyfarrell

package.json

@@ -46,7 +46,7 @@
   "license": "ISC",
   "dependencies": {
     "string-width": "^2.1.1",
-    "strip-ansi": "^3.0.1",
+    "strip-ansi": "^4.0.0",
     "wrap-ansi": "^2.0.0"
   },
   "devDependencies": {