2023-11-16 Amplify JS release - aws-amplify@6.0.3

What's Changed

• test: update signOut unit tests by @cshfang in #12561
• Update README.md to v6 by @elorzafe in #12569
• feat(data): add custom header support to data schema client by @david-mcafee in #12559
• Update README.md by @elorzafe in #12571
• fix: export generateClient return types; don't throw error in genClient by @iartemiev in #12577
• fix(data): fix ConsoleLogger argument typo by @david-mcafee in #12581
• fix: Client type explicit default type arg by @iartemiev in #12580
• release(required): Amplify JS release by @erinleigh90 in #12575

Full Changelog: https://github.com/aws-amplify/amplify-js/compare/aws-amplify@6.0.2...aws-amplify@6.0.3