Merge branch 'composer-update'

Author: tangrufus

composer.json

@@ -26,7 +26,7 @@
     "require": {
         "php": "^7.2",
         "psr/log": "^1.0",
-        "spatie/image-optimizer": "^1.1.3",
+        "spatie/image-optimizer": "^1.1.5",
         "symfony/filesystem": "^4.1",
         "symfony/finder": "^4.1",
         "wp-cli/wp-cli": "^2.0"