rabbitmq-c: 0.8.0 -> 0.9.0

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/rabbitmq-c/versions.

These checks were done:

- built on NixOS
- ran ‘/nix/store/4k9n5w1zcpnx1qq6rvdy2nc7zl7pkb7i-rabbitmq-c-0.9.0/bin/amqp-publish --help’ got 0 exit code
- ran ‘/nix/store/4k9n5w1zcpnx1qq6rvdy2nc7zl7pkb7i-rabbitmq-c-0.9.0/bin/amqp-get --help’ got 0 exit code
- ran ‘/nix/store/4k9n5w1zcpnx1qq6rvdy2nc7zl7pkb7i-rabbitmq-c-0.9.0/bin/amqp-consume --help’ got 0 exit code
- ran ‘/nix/store/4k9n5w1zcpnx1qq6rvdy2nc7zl7pkb7i-rabbitmq-c-0.9.0/bin/amqp-declare-queue --help’ got 0 exit code
- ran ‘/nix/store/4k9n5w1zcpnx1qq6rvdy2nc7zl7pkb7i-rabbitmq-c-0.9.0/bin/amqp-delete-queue --help’ got 0 exit code
- found 0.9.0 with grep in /nix/store/4k9n5w1zcpnx1qq6rvdy2nc7zl7pkb7i-rabbitmq-c-0.9.0
- directory tree listing: https://gist.github.com/15d9dcbdbc027933140607d48794a9a3