Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires guzzlehttp/guzzle ^7.8 -> satisfiable by guzzlehttp/guzzle[7.8.0, 7.8.1]. - guzzlehttp/guzzle[7.8.0, ..., 7.8.1] require php ^7.2.5 || ^8.0 -> your php version (5.6.40) does not satisfy that requirement. Problem 2 - Root composer.json requires lastguest/murmurhash ^2.1.1 -> satisfiable by lastguest/murmurhash[2.1.1]. - lastguest/murmurhash 2.1.1 requires php ^7||^8.0 -> your php version (5.6.40) does not satisfy that requirement. Problem 3 - ramsey/uuid[4.2.0, ..., 4.2.1] require php ^7.2 || ^8 -> your php version (5.6.40) does not satisfy that requirement. - ramsey/uuid 4.2.2 requires php ^7.2 || ~8.0.0 || ~8.1.0 -> your php version (5.6.40) does not satisfy that requirement. - ramsey/uuid 4.2.3 requires php ^7.2 || ^8.0 -> your php version (5.6.40) does not satisfy that requirement. - ramsey/uuid[4.3.0, ..., 4.7.6] require php ^8.0 -> your php version (5.6.40) does not satisfy that requirement. - Root composer.json requires ramsey/uuid ^4.2 -> satisfiable by ramsey/uuid[4.2.0, ..., 4.7.6].

Process completed with exit code 2.

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v2, actions/cache@v2, wingify/slack-github-action@v1.15.1-wingify. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/cache@v2, wingify/slack-github-action@v1.15.1-wingify. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

Unexpected input(s) 'color', valid inputs are ['channel-id', 'slack-message', 'payload']

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/