build(deps-dev): update typescript to 4.9.4

BREAKING CHANGE: Minimum typescript version is 4.

Upgrade to typescript 4.x.

Signed-off-by: Rich Ellis <[email protected]>

Author: ricellis

package-lock.json

@@ -69,7 +69,7 @@
     "prettier": "~2.3.0",
     "rimraf": "^3.0.2",
     "semantic-release": "19.0.3",
-    "typescript": "~3.8.3"
+    "typescript": "~4.9.4"
   },
   "dependencies": {
     "@types/file-type": "~5.2.1",