Bump version to 4.8.4 and LKG

Author: typescript-bot

lib/tsc.js

@@ -2,7 +2,7 @@
     "name": "typescript",
     "author": "Microsoft Corp.",
     "homepage": "https://www.typescriptlang.org/",
-    "version": "4.8.3",
+    "version": "4.8.4",
     "license": "Apache-2.0",
     "description": "TypeScript is a language for application scale JavaScript development",
     "keywords": [

lib/tsserver.js

@@ -5,7 +5,7 @@ namespace ts {
     // The following is baselined as a literal template type without intervention
     /** The version of the TypeScript compiler release */
     // eslint-disable-next-line @typescript-eslint/no-inferrable-types
-    export const version = "4.8.3" as string;
+    export const version = "4.8.4" as string;
 
     /**
      * Type of objects whose values are all of the same type.