Release v0.2.2

Release 0.2.2 (all packages)

Bumps the upper bound of the base package to allow for 4.16,
making the packages usable with GHC 9.2 (#41)

Release v0.2.0

Release v0.2.0 (all packages)

Changelog:

• Drop support for GHC 8.0 (#35)
• Add support for GHC 9.0 (#36)
• Replace the unmaintained thrift package with pinch (#34)
• wai: Better default operation name, and allow customising it (#33, #37)

The major version is bumped because the packages won't compile with GHC 8.0
anymore.