Use `asdf` for PHP installation
The following discussion from !1 (merged) should be addressed:
-
@steveazz started a discussion: suggestion: Since all the other languages are handled by
asdf
should we do the same of PHP it seems like it supports it
Reference for requirements: https://github.com/asdf-community/asdf-php/blob/21cb6ceddc77522bd4ecb08ca7d8f99fb4b6c420/.github/workflows/workflow.yml#L35-L50