Pick up new TS version for building VS Code (microsoft#157962)

Author: mjbvz

package.json

@@ -201,7 +201,7 @@
     "style-loader": "^1.3.0",
     "ts-loader": "^9.2.7",
     "tsec": "0.1.4",
-    "typescript": "^4.8.0-dev.20220808",
+    "typescript": "^4.9.0-dev.20220811",
     "typescript-formatter": "7.1.0",
     "underscore": "^1.12.1",
     "util": "^0.12.4",

yarn.lock

@@ -10559,10 +10559,10 @@ typescript@^2.6.2:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.6.2.tgz#3c5b6fd7f6de0914269027f03c0946758f7673a4"
   integrity sha1-PFtv1/beCRQmkCfwPAlGdY92c6Q=
 
-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@^4.9.0-dev.20220811:
+  version "4.9.0-dev.20220811"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.0-dev.20220811.tgz#0288fb9a8779d31a72761faa889068a69020825e"
+  integrity sha512-lkZioCre43Re1dP8vyGO1T/opJ6F28pGHb3L96NOuziyPDhcHkSluRc7YQ17qrSHPaL0eyEyXXgvYJ+lNoO7yQ==
 
 typical@^4.0.0:
   version "4.0.0"