fix PHP Deprecated: Creation of dynamic property (#158)

avoid the following error in php 8.2.* : 
PHP Deprecated:  Creation of dynamic property cli\arguments\Lexer::$_item is deprecated in wp-cli/php-cli-tools/lib/cli/arguments/Lexer.php on line 113

Update file(s) from wp-cli/.github

Add CODEOWNERS so we get pings

Update file(s) from wp-cli/.github

Merge pull request #147 from aerogus/master

hide deprecated warning in php8.1

Merge pull request #145 from skeltoac/update-tty-checks

Update TTY checks

Merge pull request #142 from MotaWord/master

refactor deprecated join() usage

Merge pull request #137 from markjaquith/fix-namespace-cli-notify

Fix incorrect namespace for cli\notify\xxx

Merge pull request #136 from wp-cli/135-fix-manual-width-attribution

Use forced width attribution as fallback only to avoid scrapping manual widths

Merge pull request #130 from marcovalloni/patch-1

Update Bar.php