Tokens: Move `T_COALESCE_EQUAL` from `$operators` to `$assignmentTokens`
Tokens: Move `T_COALESCE_EQUAL` from `$operators` to `$assignmentTokens`

rcarraretto/PHP_CodeSniffer,fabacino/PHP_CodeSniffer,arnested/PHP_CodeSniffer,arnested/PHP_CodeSniffer,rcarraretto/PHP_CodeSniffer,fabacino/PHP_CodeSniffer,jrfnl/PHP_CodeSniffer,VANINUitgeverij/PHP_CodeSniffer,squizlabs/PHP_CodeSniffer,stronk7/PHP_CodeSniffer,VANINUitgeverij/PHP_CodeSniffer,arnested/PHP_CodeSniffer,rcarraretto/PHP_CodeSniffer,squizlabs/PHP_CodeSniffer,squizlabs/PHP_CodeSniffer,jrfnl/PHP_CodeSniffer,fabacino/PHP_CodeSniffer,stronk7/PHP_CodeSniffer,rcarraretto/PHP_CodeSniffer,jrfnl/PHP_CodeSniffer,VANINUitgeverij/PHP_CodeSniffer,stronk7/PHP_CodeSniffer