QD-8148 Update composer Docker tag to v2.7.8

next/base/php.Dockerfile

@@ -1,6 +1,6 @@
 ARG NODE_TAG="20-bullseye-slim"
 ARG PHP_TAG="8.3-cli-bullseye"
-ARG COMPOSER_TAG="2.7.7"
+ARG COMPOSER_TAG="2.7.8"
 FROM node:$NODE_TAG AS node_base
 FROM composer:$COMPOSER_TAG AS composer_base
 FROM php:$PHP_TAG