Fix hash_file options on PHP before 8.5

[lcmialichi]

Summary

Safe\hash_file() always forwards its optional $options argument to native hash_file(). The native fourth argument is only available starting in PHP 8.5, so on PHP 8.1-8.4 the wrapper throws ArgumentCountError even when callers omit $options (the default [] is still forwarded).

This changes the wrapper to pass $options only on PHP 8.5+, while preserving the existing false-result handling and HashException behavior. It also adds a regression test for the default-argument call.

Verification

• PHP 8.1: default Safe\hash_file('sha256', $file) matches native output.
• PHP 8.5: default call and MurmurHash seed options match native output.
• PHP syntax checks pass on PHP 8.1 and 8.5.
• The full PHPUnit suite could not be run in this environment because the disposable container cannot validate the Packagist TLS certificate; TLS verification was not disabled.

[lcmialichi]

Correction after validation: PHP.Watch documents the fourth hash_file() $options parameter as added in PHP 8.1. The official PHP 8.1.34 image exposes four parameters and accepts the call; PIE 1.5.1 also installed and loaded the extension end-to-end under PHP 8.1.34. The earlier failure was limited to Ubuntu's 8.1.2-1ubuntu2.26 build, which reports only three parameters. This PR's PHP_VERSION_ID < 8.5 branch would disable documented options on PHP 8.1–8.4 and is not the right fix. I recommend closing this PR; if the Ubuntu-specific mismatch needs support, investigate feature detection separately.