CircleCi: update image

sirbrillig · sirbrillig · commit e9b8aab85bf6 · 2018-08-31T18:42:33.000-04:00
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -2,7 +2,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: circleci/php:7.1.19-fpm-node-browsers
+      - image: circleci/php:7.0-apache-stretch-browsers
     steps:
       - checkout
       - run: composer install
