Add Support for PHP 8.3

What's Changed

• Update dependencies by @mtompset in #4
• Switch to tag for version constraint on google/apiclient dependency by @forevermatt in #6
• PHP8 upgrade by @Baggerone in #8
• Add Support for PHP 8.3 by @jason-jackson in #10

Full Changelog: https://github.com/silinternational/google-sheets-php/commits/1.2.0