Add composer 2.3.4, remove composer 2.3.3
Add composer 2.3.4, remove composer 2.3.3

for stack(s) cflinuxfs3 [#181826591]

cloudfoundry/php-buildpack,cloudfoundry/php-buildpack,cloudfoundry/php-buildpack,cloudfoundry/php-buildpack,cloudfoundry/php-buildpack,cloudfoundry/php-buildpack,cloudfoundry/php-buildpack