Fix bogus opcache handling in PHP 8.5

opcache is now statically built and always available

Fix bogus opcache handling in PHP 8.5

opcache is now statically built and always available

Fix bogus opcache handling in PHP 8.5

opcache is now statically built and always available

Fix bogus opcache handling in PHP 8.5

opcache is now statically built and always available

Fix bogus opcache handling in PHP 8.5

opcache is now statically built and always available

Fix bogus opcache handling in PHP 8.5

opcache is now statically built and always available

Fix bogus opcache handling in PHP 8.5

opcache is now statically built and always available

Update MacOS runner images

Bump the github-actions group with 2 updates (#221)

Bumps the github-actions group with 2 updates: [actions/upload-artifact](https://github.com/actions/upload-artifact) and [actions/download-artifact](https://github.com/actions/download-artifact).


Updates `actions/upload-artifact` from 4 to 5
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v5)

Updates `actions/download-artifact` from 5 to 6
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: actions/download-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Temporarily rollback ext-chunkutils2 to 0.3.5

No currently released version of PM accepts 0.4.0, so these binaries are unusable with it.