Merge pull request #1238 from humanmade/dependabot/composer/v28-branch/humanmade/batcache-approx-1.5.3

[v28-branch]: Update humanmade/batcache requirement from ~1.5.2 to ~1.5.3

Author: mikelittle

composer.json

@@ -35,7 +35,7 @@
 		"humanmade/cavalcade": "^2.0.3",
 		"pantheon-systems/wp-redis": "1.4.7",
 		"humanmade/wordpress-pecl-memcached-object-cache": "2.1.0",
-		"humanmade/batcache": "~1.5.2",
+		"humanmade/batcache": "~1.5.3",
 		"humanmade/ludicrousdb": "~5.0.8",
 		"humanmade/aws-ses-wp-mail": "~1.4.0",
 		"monolog/monolog": "^2.11",