display_errors not taken into account

[dunglas]

Describe the bug

The display_errors directive is set to STDOUT even if ini-file is set to development and if display_errors is explicitly set to On in ini-values.

https://github.com/dunglas/frankenphp/actions/runs/5448382450/jobs/9911496281?pr=157

Context: I'm still trying to run the test suite of FrankenPHP with setup-php.

Version

• [x] I have checked releases, and the bug exists in the latest patch version of v1 or v2.
• [x] v2

Runners

• [x] GitHub Hosted
• [ ] Self Hosted

Operating systems Ubuntu

PHP versions 8.2

To Reproduce

Expected behavior

Screenshots/Logs

Additional context

Are you willing to submit a PR?