Update macOS binary release workflow for PHP 8.5

[igancev]

Description

Update the macOS ARM64 binary release workflow to build with PHP 8.5.

What to do

• In .github/workflows/build-macos-release.yml:
  • Change php-version: '8.4' to '8.5'
  • Change --with-php=8.4 to --with-php=8.5 in the SPC download step
• Verify that static-php-cli nightly builds support PHP 8.5 micro.sfx for macOS ARM64

Verification note: To verify this PR, temporarily enable the build trigger for PRs in the workflow file and comment out the final publication/upload step. Ensure CI passes, then revert these changes before merging. Successful CI run is a prerequisite for the merge.

Definition of Done

macOS release workflow configuration updated for PHP 8.5. static-php-cli compatibility verified.

Blocked by: #45

Branch strategy: create PR targeting feature/php-8.5, not main.