php.packages.composer: 1.9.3 -> 1.10.5

Changelogs:
 - https://github.com/composer/composer/releases/tag/1.10.0
 - https://github.com/composer/composer/releases/tag/1.10.1
 - https://github.com/composer/composer/releases/tag/1.10.2
 - https://github.com/composer/composer/releases/tag/1.10.3
 - https://github.com/composer/composer/releases/tag/1.10.4
 - https://github.com/composer/composer/releases/tag/1.10.5