fix: `update-index` executed outside of repo context #258

	name: "Release"
	on:
	push:
	branches:
	- master
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	token: ${{ secrets.SYNCED_GITHUB_TOKEN }}
	ref: "master"
	- name: Keep dist up-to-date
	run: \|
	npm ci
	npm run build
	git config --local user.email "action@github.com"
	git config --local user.name "GitHub Action"
	git add dist/index.js
	git commit -m "chore: publish dist" \|\| echo "nothing to commit"
	git push origin master
	- uses: actions/checkout@v3
	with:
	ref: master
	- name: Test Action
	uses: ./
	with:
	DRY_RUN: true
	FILE_PATTERNS: \|
	^README.md$
	^.github/workflows/sync-.*
	TARGET_REPOS: \|
	adrianjost/files-sync-target
	GITHUB_TOKEN: ${{ secrets.SYNCED_GITHUB_TOKEN }}
	- name: Checkout
	uses: actions/checkout@v3
	with:
	ref: master
	- name: Semantic Release
	uses: cycjimmy/semantic-release-action@v3
	with:
	semantic_version: 18
	extra_plugins: \|
	"@semantic-release/commit-analyzer@v9.0.2"
	"@semantic-release/release-notes-generator@v10.0.3"
	"@semantic-release/git@v10.0.1"
	"@semantic-release/github@v8.1.0"
	env:
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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