[env] Bump PHP_INI_ENV_memory_limit to 1G (#82)

Author: micszo

.github/workflows/browser-tests.yml

@@ -93,7 +93,7 @@ env:
     APP_ENV: behat
     APP_DEBUG: 1
     APP_SECRET: '2d4218d7b6c69a9f88da7b8986e64717b3c40948a7ba2b1ca309dc292472286d'
-    PHP_INI_ENV_memory_limit: 512M
+    PHP_INI_ENV_memory_limit: 1G
     COMPOSER_CACHE_DIR: ~/.composer/cache
 
 jobs: