… errors

* 7.1:
  Tweak error/exception handler registration

* 7.1:
  Add PR template and auto-close PR on subtree split repositories

Unlocks a performance optimization in PHPUnit 11.x

see https://staabm.github.io/2024/10/19/phpunit-codesprint-munich.html

* 7.1:
  [Validator] Fix 58691 (missing plural-options in serbian language translation)
  profiler form data collector extart value property if it is setted
  [Process] Fix escaping /X arguments on Windows
  fix the constant being used
  fix the path separator being used
  fix the directory separator being used
  ignore case of built-in cmd.exe commands
  [Process] Improve test cleanup by unlinking in a `finally` block
  [Notifier] Fix test with hard coded date in `SmsboxTransportTest`
  [Process] Return built-in cmd.exe commands directly in ExecutableFinder
  Re-add missing Profiler shortcuts on Profiler homepage
  [Config] Handle Phar absolute path in `FileLocator`
  [Runtime] Remove unused `SKIPIF` from `dotenv_overload.phpt`

* 7.1:
  Do not read from argv on non-CLI SAPIs
  [Process] Use %PATH% before %CD% to load the shell on Windows
  [HttpFoundation] Reject URIs that contain invalid characters
  [HttpClient] Filter private IPs before connecting when Host == IP