TASK: increase memory limit for phpstan

Author: mficzel

.github/actions/prepare-flow/action.yml

@@ -42,7 +42,7 @@ runs:
         php-version: ${{ inputs.php-version }}
         extensions: mbstring, xml, json, zlib, iconv, intl, pdo_sqlite, mysql, pgsql, redis, memcached, memcache, apcu
         coverage: xdebug
-        ini-values: date.timezone="Africa/Tunis", opcache.fast_shutdown=0, apc.enable_cli=on
+        ini-values: date.timezone="Africa/Tunis", opcache.fast_shutdown=0, apc.enable_cli=on, memory_limit=512M
 
     - name: Checkout development distribution
       uses: actions/checkout@v5