fix(string-helpers): typesVersions (#469)

Author: ggazzo

packages/string-helpers/package.json

@@ -22,11 +22,11 @@
   },
   "main": "dist/cjs/index.js",
   "module": "dist/esm/index.js",
-  "types": "dist/ts3.4/index.d.ts",
+  "types": "dist/esm/index.d.ts",
   "typesVersions": {
-    ">=4.1": {
+    "<4.1": {
       "*": [
-        "dist/esm/*"
+        "dist/ts3.4/*"
       ]
     }
   },