fix(husky): make pre-push hook POSIX-compatible

.husky/pre-push

@@ -1,5 +1,5 @@
-#!/usr/bin/env bash
-set -euo pipefail
+#!/bin/sh
+set -eu
 # Check if bun version matches package.json
 # keep in sync with packages/script/src/index.ts semver qualifier
 bun -e '