Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires parthenon/parthenon dev-main -> satisfiable by parthenon/parthenon[dev-main]. - parthenon/parthenon dev-main requires parthenon/obol ^0.2 -> found parthenon/obol[v0.2, v0.2.1] but it conflicts with your root composer.json require (dev-main).

Process completed with exit code 2.

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