HTTP client support for unwrapped deflate responses

[guymers]

The fs2 and ZIO HTTP client backends can now handle decompressing a deflate response that is not wrapped with a ZLIB header.

Before submitting pull request:

• Check if the project compiles by running sbt compile
• Verify docs compilation by running sbt compileDocs
• Check if tests pass by running sbt test
• Format code by running sbt scalafmt

[adamw]

Thanks!