feat(freebsd): add `imap` `php` module for `FreeBSD`

php/map.jinja

@@ -3126,6 +3126,7 @@
                     'gd': 'php' + freebsd_php_version + '-gd',
                     'hash': 'php' + freebsd_php_version + '-hash',
                     'iconv': 'php' + freebsd_php_version + '-iconv',
+                    'imap': 'php' + freebsd_php_version + '-imap',
                     'intl': 'php' + freebsd_php_version + '-intl',
                     'json': 'php' + freebsd_php_version + '-json',
                     'local_bin': '/usr/local/bin',