update composer version

[tourze]

I found this repo in https://packagist.org/packages/iamcal/php-emoji
But now there is only "dev-master" version is valid.
maybe you should check the repo's "Integrations & services" page.

[iamcal]

sorry, i don't understand what the problem is. what is broken and what needs changing?

[tourze]

You can check this page https://packagist.org/packages/iamcal/php-emoji
only "dev-master" is shown.