Fix build, do not test dev files

.github/workflows/php.yml

@@ -1,7 +1,3 @@
-# @Author: Roni Laukkarinen
-# @Date:   2023-02-15 17:39:37
-# @Last Modified by:   Roni Laukkarinen
-# @Last Modified time: 2024-03-12 15:13:24
 name: PHP
 
 on: [push, pull_request]
@@ -41,4 +37,4 @@ jobs:
         vendor/bin/phpcs -p . --extensions=php --ignore=vendor,content/themes,content/plugins,content/uploads,node_modules,src,js,css,sass,plugin-update-checker,wp,mu-plugins/air-blocks-acf-example-data,content/languages --standard=phpcs.xml
 
     - name: Test PHP for syntax errors
-      run: find -L . -name '*.php' -print0 | xargs -0 -n 1 -P 4 php -l
+      run: find -L . -name '*.php' -not -path "./vendor/*" -not -path "./node_modules/*" -not -path "./src/*" -not -path "./js/*" -not -path "./css/*" -not -path "./sass/*" -not -path "./plugin-update-checker/*" -print0 | xargs -0 -n 1 -P 4 php -l