Fix opis/closure v4 compatibility in OpisClosureSerializer

[Copilot]

opis/closure v4 made SerializableClosure::__construct() private and replaced the wrapping pattern with standalone namespace functions, breaking serialization for all consumers of OpisClosureSerializer.

Changes

• OpisClosureSerializer.php: Use \Opis\Closure\serialize() / \Opis\Closure\unserialize() when available (v4), falling back to the v3 SerializableClosure wrapping approach for backward compatibility:

// v4
if (function_exists('Opis\Closure\serialize')) {
    return \Opis\Closure\serialize($closure);
}
// v3 fallback
return serialize(new OpisSerializableClosure($closure));

• composer.json: Tightened require-dev constraint for opis/closure from * to ^3.0 || ^4.0.

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• https://api.github.com/repos/opis/closure/zipball/4836788ab123b955a0bbf31f7d4468dd3db825fa
  • Triggering command: /usr/bin/php8.3 /usr/bin/php8.3 -n -c /tmp/kLR1Du /usr/bin/composer require opis/closure --dev (http block)
  • Triggering command: /usr/bin/php8.3 /usr/bin/php8.3 -n -c /tmp/2RBZdF /usr/bin/composer install --prefer-dist --no-progress (http block)
• https://api.github.com/repos/sebastianbergmann/global-state/zipball/3be331570a721f9a4b5917f4209773de17f747d7
  • Triggering command: /usr/bin/php8.3 /usr/bin/php8.3 -n -c /tmp/kLR1Du /usr/bin/composer require opis/closure --dev (http block)
• https://api.github.com/repos/sebastianbergmann/object-enumerator/zipball/f5b498e631a74204185071eb41f33f38d64608aa
  • Triggering command: /usr/bin/php8.3 /usr/bin/php8.3 -n -c /tmp/kLR1Du /usr/bin/composer require opis/closure --dev (http block)
• https://api.github.com/repos/sebastianbergmann/object-reflector/zipball/6e1a43b411b2ad34146dee7524cb13a068bb35f9
  • Triggering command: /usr/bin/php8.3 /usr/bin/php8.3 -n -c /tmp/kLR1Du /usr/bin/composer require opis/closure --dev (http block)
• https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/f6458abbf32a6c8174f8f26261475dc133b3d9dc
  • Triggering command: /usr/bin/php8.3 /usr/bin/php8.3 -n -c /tmp/kLR1Du /usr/bin/composer require opis/closure --dev (http block)
• https://api.github.com/repos/sebastianbergmann/type/zipball/f77d2d4e78738c98d9a68d2596fe5e8fa380f449
  • Triggering command: /usr/bin/php8.3 /usr/bin/php8.3 -n -c /tmp/kLR1Du /usr/bin/composer require opis/closure --dev (http block)
• https://api.github.com/repos/sebastianbergmann/version/zipball/c687e3387b99f5b03b6caa64c74b63e2936ff874
  • Triggering command: /usr/bin/php8.3 /usr/bin/php8.3 -n -c /tmp/kLR1Du /usr/bin/composer require opis/closure --dev (http block)
• https://api.github.com/repos/staabm/side-effects-detector/zipball/d8334211a140ce329c13726d4a715adbddd0a163
  • Triggering command: /usr/bin/php8.3 /usr/bin/php8.3 -n -c /tmp/kLR1Du /usr/bin/composer require opis/closure --dev (http block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

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