net/pecl-amqp: Update 2.1.1 => 2.2.0

While here, remove IGNORE_WITH_PHP=85 and sort USES (pet portfmt).

Changelog:
https://pecl.php.net/package-changelog.php?package=amqp&release=2.2.0

PR: 297645
Approved by: jnlin@freebsd.cs.nctu.edu.tw (maintainer timeout, 2+ weeks)
Approved by: osa, vvd (Mentors, implicit)