Single blank line at eof

A PHP file without end tag should always end with a single empty line feed.

Closes GH-541.

Add PHP 8.1 release page (#450)

Co-authored-by: Niklas Keller <me@kelunik.com>
Co-authored-by: Alexander Makarov <sam@rmcreative.ru>
Co-authored-by: Sergey Panteleev <sergey@php.net>

Add PHP 8.1 release page (#450)

Co-authored-by: Niklas Keller <me@kelunik.com>
Co-authored-by: Alexander Makarov <sam@rmcreative.ru>
Co-authored-by: Sergey Panteleev <sergey@php.net>
Co-authored-by: Alexey Pyltsyn <lex61rus@gmail.com>
Co-authored-by: Nikita Popov <nikita.ppv@googlemail.com>
Co-authored-by: Peter Cowburn <petercowburn@gmail.com>
Co-authored-by: Máté Kocsis <kocsismate@woohoolabs.com>

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