chore(types): migrate global types to packages-private (vuejs#11904)

Author: jh-leong

Diff for: packages-private/global.d.ts

@@ -0,0 +1,8 @@
+/// <reference types="vite/client" />
+
+// Global compile-time constants
+declare var __COMMIT__: string
+
+declare module 'file-saver' {
+  export function saveAs(blob: any, name: any): void
+}

Diff for: packages/global.d.ts

@@ -7,7 +7,6 @@ declare var __ESM_BUNDLER__: boolean
 declare var __ESM_BROWSER__: boolean
 declare var __CJS__: boolean
 declare var __SSR__: boolean
-declare var __COMMIT__: string
 declare var __VERSION__: string
 declare var __COMPAT__: boolean
 
@@ -19,10 +18,6 @@ declare var __FEATURE_PROD_HYDRATION_MISMATCH_DETAILS__: boolean
 
 declare module '*.vue' {}
 
-declare module 'file-saver' {
-  export function saveAs(blob: any, name: any): void
-}
-
 declare module 'estree-walker' {
   export function walk<T>(
     root: T,