[cli] Add git metadata to vc deploy (#7910)

Currently, git metadata is not included on the Vercel dashboard when a project is deployed via the CLI. This PR populates the git metadata.

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packages/cli/src/util/output/create-output.ts

@@ -16,7 +16,7 @@ export interface LogOptions extends PrintOptions {
 }
 
 export class Output {
-  private debugEnabled: boolean;
+  debugEnabled: boolean;
   private spinnerMessage: string;
   private _spinner: StopSpinner | null;
   isTTY: boolean;