homebrew formula points to latest release, which is very old

[iftheshoefritz]

The last release of complexity is 0.4.2 which is from March 2022. The homebrew formula points to 0.4.2. This means that there are newer commits that are not included when anyone runs brew install complexity as suggested in the README.

We need to create a new version (seems like this is as simple as updating cargo.tml and GitHub actions does the work for us? cc @neilvcarvalho) for those commits and update the homebrew formula to point to it.

BEFORE we do this, we should consider that the change to clap over structureopts broke some things to do with globbing (issue coming).