Update TypeScript slightly

Unfortunately we can't go further due to issues with the Oclif
typings...

Author: pimterry

package-lock.json

@@ -134,7 +134,7 @@
     "superagent": "^7.1.1",
     "ts-loader": "^9.4.2",
     "ts-node": "^8.4.1",
-    "typescript": "~4.6",
+    "typescript": "~4.7",
     "umd-compat-loader": "^2.1.2",
     "undici": "^5.28.4",
     "unirest": "^0.6.0",