Pick up TS 4.8 RC (microsoft#157960)

For microsoft#157527

Author: mjbvz

extensions/package.json

@@ -4,7 +4,7 @@
   "license": "MIT",
   "description": "Dependencies shared by all extensions",
   "dependencies": {
-    "typescript": "^4.8.0-dev.20220808"
+    "typescript": "^4.8.1-rc"
   },
   "scripts": {
     "postinstall": "node ./postinstall.mjs"

extensions/yarn.lock

@@ -42,10 +42,10 @@ node-gyp-build@^4.3.0:
   resolved "https://registry.yarnpkg.com/node-gyp-build/-/node-gyp-build-4.3.0.tgz#9f256b03e5826150be39c764bf51e993946d71a3"
   integrity sha512-iWjXZvmboq0ja1pUGULQBexmxq8CV4xBhX7VDOTbL7ZR4FOowwY/VOtRxBN/yKxmdGoIp4j5ysNT4u3S2pDQ3Q==
 
-typescript@^4.8.0-dev.20220808:
-  version "4.8.0-dev.20220808"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.8.0-dev.20220808.tgz#cff17ca0c513c5069311e855a9c5c751065042ba"
-  integrity sha512-afg7R/XsBD3mkS0orQD4Vy3dxHEijC0uqp46+i51lf5yfvvQRuhLQDY2F/OMOxD0U1ZwP3pliGs2U4UrqNHJ6g==
+typescript@^4.8.1-rc:
+  version "4.8.1-rc"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.8.1-rc.tgz#2baff2b14b916f06a97effbfcf59e46bab93e48a"
+  integrity sha512-ZoXadPUeEe1XOZe6CHG/QHZ6IFeRjrfzkpraRi9HOpGH0UOG/WaUrKvtSwDFigG8GuDA4zsDQHEZyqhmlCIyEw==
 
 vscode-grammar-updater@^1.1.0:
   version "1.1.0"