Update dependency composer/composer to v2.9.3 (Latest)

Author: renovate[bot]

latest/Dockerfile

@@ -22,7 +22,7 @@ memory_limit=-1\n\
 
 ENV COMPOSER_ALLOW_SUPERUSER=1
 ENV COMPOSER_HOME=/tmp
-ENV COMPOSER_VERSION=2.9.2
+ENV COMPOSER_VERSION=2.9.3
 
 RUN set -eux ; \
   # install https://github.com/mlocati/docker-php-extension-installer