4.0.0

• Chg #137: Add separate parameters for each of HtmlRenderer settings in constructor. Mark $settings parameter as
  deprecated (@vjik)
• Chg #139: Change PHP constraint in composer.json to ~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0 (@vjik)
• Enh #125: Add error code & show function arguments (@xepozz)
• Enh #130: Pass exception message instead of rendered exception to logger in ErrorHandler (@olegbaturin)
• Enh #133: Extract response generator from ErrorCatcher middleware into separate ThrowableResponseFactory
  class (@olegbaturin)
• Enh #138, #139: Raise the minimum PHP version to 8.1 and minor refactoring (@vjik)
• Bug #139: Explicitly mark nullable parameters (@vjik)