v0.2.4 Type Safe DDB Expressions for ZIO 2

What's Changed

• Zio 2 final by @nhyne in #120
• Zio2 type safe api attempt2 by @googley42 in #122
• reified optics now respect annotations by @googley42 in #126
• merge type safety for expressions PR from ZIO1 branch by @googley42 in #130
• upgrade zio version by @googley42 in #132
• Zio2 branch zio-schema upgrade by @googley42 in #135
• ZIO2 branch zio-schema 4.2 upgrade by @googley42 in #136
• porting documentation changes from series/1.x to series/2.x by @googley42 in #142

Full Changelog: v0.2.0-RC2...v0.2.4