🐛 fix yarn again after laradock#662 reverted it

 laradock#706

Author: aidabeorn

docker-compose.yml

@@ -32,7 +32,7 @@ services:
           - PUID=${WORKSPACE_PUID}
           - PGID=${WORKSPACE_PGID}
           - NODE_VERSION=${WORKSPACE_NODE_VERSION}
-          - YARN_VERSION=${WORKSPACE_TIMEZONE}
+          - YARN_VERSION=${WORKSPACE_YARN_VERSION}
           - TZ=${WORKSPACE_TIMEZONE}
       volumes_from:
         - applications
@@ -57,7 +57,7 @@ services:
           - INSTALL_MEMCACHED=${PHP_FPM_INSTALL_MEMCACHED}
           - INSTALL_OPCACHE=${PHP_FPM_INSTALL_OPCACHE}
           - INSTALL_EXIF=${PHP_FPM_INSTALL_EXIF}
-          - INSTALL_AEROSPIKE_EXTENSION=${PHP_FPM_INSTALL_AEROSPIKE_EXTENSION}                
+          - INSTALL_AEROSPIKE_EXTENSION=${PHP_FPM_INSTALL_AEROSPIKE_EXTENSION}
           - INSTALL_MYSQLI=${PHP_FPM_INSTALL_MYSQLI}
           - INSTALL_TOKENIZER=${PHP_FPM_INSTALL_TOKENIZER}
           - INSTALL_INTL=${PHP_FPM_INSTALL_INTL}
@@ -72,7 +72,7 @@ services:
         - "dockerhost:${DOCKER_HOST_IP}"
       environment:
         - PHP_IDE_CONFIG=${PHP_IDE_CONFIG}
-            
+
 ### PHP Worker Container #####################################
     php-worker:
       build: