testing/php81*: disable on loongarch64

testing/php81-pecl-amqp/APKBUILD

testing/php81-pecl-apcu/APKBUILD

testing/php81-pecl-ast/APKBUILD

testing/php81-pecl-brotli/APKBUILD

testing/php81-pecl-couchbase/APKBUILD

testing/php81-pecl-csv/APKBUILD

testing/php81-pecl-decimal/APKBUILD

testing/php81-pecl-ds/APKBUILD

testing/php81-pecl-event/APKBUILD

testing/php81-pecl-grpc/APKBUILD

testing/php81-pecl-igbinary/APKBUILD

testing/php81-pecl-imagick/APKBUILD

testing/php81-pecl-immutable_cache/APKBUILD

testing/php81-pecl-jsmin/APKBUILD

testing/php81-pecl-luasandbox/APKBUILD

testing/php81-pecl-lzf/APKBUILD

testing/php81-pecl-mailparse/APKBUILD

testing/php81-pecl-maxminddb/APKBUILD

testing/php81-pecl-mcrypt/APKBUILD

testing/php81-pecl-memcache/APKBUILD