Fix: avoid exception if thumbnail image is not found #571

	# .github/workflows/release.yml

	name: Build Test

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- dev*
	- main

	env:
	NODE_VERSION: 22

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4

	- name: check theme version against tag
	run: \|
	THEME_VERSION=$(cat sass/style.scss \| grep Version \| sed -r 's/version: +//I')
	V="v"
	echo Version in style.scss: $THEME_VERSION

	- uses: actions/setup-node@v4
	with:
	node-version: ${{ env.NODE_VERSION }}

	- name: Install npm packages
	run: npm ci

	- name: Lint SCSS
	run: npm run lint:scss

	- name: Build CSS
	run: npm run compile:css

	- name: Build CSS-RTL
	run: npm run compile:rtl

	- name: Lint JS
	run: npm run lint:js

	- name: Build JS
	run: npm run build

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: 8.2
	tools: cs2pr

	- name: run install composer
	run: \|
	composer install
	cd lib && composer install

	- name: Run PHPCS checks
	id: phpcs
	continue-on-error: true
	run: vendor/bin/phpcs --report-full --report-checkstyle=./phpcs-report.xml .

	- name: Show PHPCS results in PR
	if: ${{ always() && steps.phpcs.outcome == 'failure' }}
	run: cs2pr ./phpcs-report.xml

	- name: Make bundle
	run: npm run bundle

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