feat: use execa

src/git/cli.ts

@@ -3,15 +3,12 @@
  *
  * Run Git CLI commands within the extension and capture the text output.
  */
-import { exec as _exec } from "child_process";
-import * as util from "util";
+import { execa } from "execa";
 import { Repository } from "../api/git";
 
-const exec = util.promisify(_exec);
-
 // Ensure Git will show special characters literally without quoting the string
 // and escaping characters.
-const QUOTE_PATH = '-c "core.quotePath=false"';
+const QUOTE_PATH = ["-c", "core.quotePath=false"];
 
 const DIFF_INDEX_CMD = "diff-index";
 const DIFF_INDEX_OPTIONS = [
@@ -29,7 +26,7 @@ function _execute(cwd: string, subcommand: string, options: string[] = []) {
 
   console.debug(`Running command: ${command}, cwd: ${cwd}`);
 
-  return exec(command, { cwd });
+  return execa(command, { cwd });
 }
 
 /**