Update php-build

[westy92]

To be merged and tagged after https://github.com/php-actions/php-build/pull/17 is merged and tagged.

[g105b]

It looks like this is working now with the updated path. Please can you confirm, and I'll merge in. I think it's worth taking this kind of step slowly with as many real world tests along the way - first thing in the morning I'll update the repos I'm working on to use this and report back.

[westy92]

I accidentally closed this while testing. Reopened here: https://github.com/php-actions/composer/pull/117

Testing appears successful!

• hardcoded commit: https://github.com/westy92/holiday-event-api-php/blob/test-composer/.github/workflows/ci.yml#L18
• action: https://github.com/westy92/holiday-event-api-php/actions/runs/8871121975/job/24353674381
• generated artifact: https://github.com/westy92/holiday-event-api-php/pkgs/container/holiday-event-api-php%2Fphp-actions_composer_holiday-event-api-php/209491901?tag=php-8.1-build2.2.1