[package.json] Update typescript go pick up the type import promotion fix.

This is just for now until it ends up in more stable builds. We can revert this if there are any unexpected issues.
See microsoft/TypeScript#44804

Author: lgarron

package-lock.json

@@ -78,7 +78,7 @@
     "peggy": "^1.1.0",
     "prettier": "^2.2.1",
     "puppeteer": "^13.1.2",
-    "typescript": "^4.5.4",
+    "typescript": "^4.6.0-dev.20220131",
     "yargs": "^16.2.0"
   },
   "minimalDevDependencies": [