Log Message:
archivers/php-pecl-zip: update to 1.19.1

Update php-pecl-zip package to 1.19.1.

1.19.1 (2020-09-30)

- encode parameter is optional (PHP 8)
- deprecate procedural API with PHP 8
- promote warning to exception (PHP 8)
- Fixed bug #79678 Build fails due to undeclared ZIP_RDONLY
- add ZipArchive::CM_ZSTD constant (since libzip 1.8.0)