1.0.3

What's Changed

• Fixed maximum age limit and linter issues by @SmetDenis in #194
• Update schema tests and README documentation by @SmetDenis in #195
• Update dependencies and refine PHPStan configuration by @SmetDenis in #196
• Add support for extra field in schema definitions by @SmetDenis in #197

Full Changelog: 1.0.2...1.0.3