Fix build errors with 2.13

Handle case class reserved fields in codegen (ghostdogpr#497)

Upgrade ZIO (ghostdogpr#472)

Schema diff (ghostdogpr#436)

* WIP schema diff

* Move test code

* Bunch of fixes

* Add test

* Document caliban tools

* fmt

Upgrade ZIO and friends to RC20 (ghostdogpr#429)

* Upgrade ZIO and friends to RC20

* Upgrade uzhttp

Update config.yml

make zquery stack safe (ghostdogpr#378)

Handle scala reserved keywords in SchemaWriter

fix ghostdogpr#348 Support variables in subscription (ghostdogpr#351)

* Support variables in subscription for Http4sAdapter, AkkaHttpAdapter, and UzHttpAdapter

fix the issue ghostdogpr#348

* format code with fmt command

Update sbt to 1.3.10 (ghostdogpr#325)