Suppress deprecations

Author: kocsismate

azure/community_job.yml

@@ -37,6 +37,7 @@ jobs:
         echo opcache.enable_cli=1 >> /etc/php.d/opcache.ini
         echo opcache.protect_memory=1 >> /etc/php.d/opcache.ini
         echo opcache.jit_buffer_size=1G >> /etc/php.d/opcache.ini
+        echo error_reporting=E_ALL^E_DEPRECATED > /etc/php.d/zz-config.ini
       displayName: 'Install Build'
     - script: |
         git clone https://github.com/laravel/framework.git --branch=master --depth=1