fix(plugin-init): check git repository using git cli

[BasixKOR]

What's the problem this PR addresses?

Fixes #6521.

...

How did you fix it?

Use Git CLI instead to detect if git init is nesscary.
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Checklist

• I have read the Contributing Guide.

• I have set the packages that need to be released for my changes to be effective.

• I will check that all automated PR checks pass before the PR gets reviewed.

[BasixKOR]

Probably too terse to be merged directly, but I wasn't sure which style I should pick since there's no automated formatter available. I'll apply your stylistic suggestion if you have one.

[mortezave]

name: Check Code @Formatting

Suggested change

	const isGitRepo = (await execUtils.execvp(`git`, [`rev-parse`, `--is-inside-work-tree`], {cwd: this.context.cwd})).code === 0;
	const isGitRepo = (await execUtils.execvp(`git`, [`rev-parse`, `--is-inside-work-tree`], {cwd: this.context.cwd})).code === 0;

on:
pull_request:
branches: [main]

jobs:
check-formatting:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4

  - name: Setup Node
    uses: actions/setup-node@v3
    with:
      node-version: '20'
      
  - name: Install Prettier
    run: npm install -g prettier
      
  - name: Check formatting
    run: prettier --check "src/**/*.{js,jsx,ts,tsx,json,css,md}"

[arcanis]

Seems like a reasonable approach - can you add a test to avoid regressions?