tea-release 1.2.0 S3 direct access support

This release adds an experimental option to enable deploying endpoints for S3 direct access. This feature is still under development so it is recommended to hold off on using this release at this time.

What's Changed

• PR-3244 Add s3 credentials endpoint by @reweeden in #643
• PR-3244 Use jinja2 for CloudFormation variables by @reweeden in #645
• PR-3244 S3 credential fix by @reweeden in #644
• Replace all references to api deployment by @reweeden in #647
• Fix GitHub actions deprecations by @reweeden in #648
• PR-3244 Add s3credentialsREADME endpoint by @reweeden in #650

Full Changelog: tea-release.1.1.1...tea-release.1.2.0