v0.3.0

What's Changed

• Bump PHP minimum required version to 8.2 by @andrepimpao in #7
• cart and stripeCheckout helpers as singletons by @andrepimpao in #8
• Cart rework by @andrepimpao in #9
• Fix PHPUnit 11 risky tests (bootstrapper exception and error handler state) by @andrepimpao in #10
• Rename cover field to thumbnail by @andrepimpao in #11
• StripeCheckout rework by @andrepimpao in #12
• Improve order and orders blueprints by @andrepimpao in #13
• Improve checkout settings blueprint by @andrepimpao in #14
• Fix and improve code for testing by @andrepimpao in #15

Full Changelog: v0.2.0...v0.3.0