chore: Remove TS 6-dev references (#3138)

* manually rm ts6 from lockfile

* override ts version

Author: TheSonOfThomp

package.json

@@ -80,7 +80,8 @@
       "@testing-library/dom": "9.3.4",
       "@testing-library/user-event": "13.5.0",
       "caniuse-lite": "^1.0.30001585",
-      "jackspeak": "2.1.1"
+      "jackspeak": "2.1.1",
+      "typescript": "$typescript"
     }
   },
   "lg": {