fix: verify commit msg.

[lsc9]

When I try to make vue core a submodule of my project：

git submodule add https://github.com/vuejs/core.git

do something and git commit:

git commit -am "docs: add comments."

it will throw error：

➜  core git:(heads/v3.4.21) ✗ git commit -am "docs: add comments."
✔ Preparing lint-staged...
✔ Running tasks for staged files...
✔ Applying modifications from tasks...
✔ Cleaning up temporary files...

> @3.4.21 check /Volumes/work_data/Web_data/Web_project/code/Vue3/source/core
> tsc --incremental --noEmit

node:fs:453
    return binding.readFileUtf8(path, stringToFlags(options.flag));
                   ^

Error: ENOTDIR: not a directory, open '/Volumes/work_data/Web_data/Web_project/code/Vue3/source/core/.git/COMMIT_EDITMSG'
    at readFileSync (node:fs:453:20)
    at file:///Volumes/work_data/Web_data/Web_project/code/Vue3/source/core/scripts/verify-commit.js:7:13
    at ModuleJob.run (node:internal/modules/esm/module_job:218:25)
    at async ModuleLoader.import (node:internal/modules/esm/loader:329:24)
    at async loadESM (node:internal/process/esm_loader:34:7)
    at async handleMainPromise (node:internal/modules/run_main:113:12) {
  errno: -20,
  code: 'ENOTDIR',
  syscall: 'open',
  path: '/Volumes/work_data/Web_data/Web_project/code/Vue3/source/core/.git/COMMIT_EDITMSG'
}

[github-actions]

Size Report

Bundles

File	Size	Gzip	Brotli
runtime-dom.global.prod.js	90.5 kB	34.4 kB	31 kB
vue.global.prod.js	148 kB	53.7 kB	47.9 kB

Usages

Name	Size	Gzip	Brotli
createApp	50.7 kB	19.8 kB	18.1 kB
createSSRApp	54.1 kB	21.1 kB	19.3 kB
defineCustomElement	53 kB	20.6 kB	18.7 kB
overall	64.4 kB	24.8 kB	22.5 kB