Add maxRetries option to fs.rm to mitigate EPERM errors on Windows

- When using the `--save-bundle` and `--clean-dir` CLI arguments, we can get intermittent `EPERM` errors on Windows. Passing in the `maxRetries` option to `fs.rm` and `fs.rmdir` functions seems to resolve this issue.

Author: aryaemami59

packages/size-limit/rm.js

@@ -0,0 +1,13 @@
+import { existsSync } from 'node:fs'
+import fs from 'node:fs/promises'
+
+export async function rm(dir) {
+  if (!fs.rm) {
+    /* c8 ignore next 3 */
+    if (existsSync(dir)) {
+      await fs.rmdir(dir, { maxRetries: 3, recursive: true })
+    }
+  } else {
+    await fs.rm(dir, { force: true, maxRetries: 3, recursive: true })
+  }
+}