v0.8.3

What's Changed

• fix: syning users from Keycloak and removing users from pools by @olevski in #166
• chore: handle apispec merge conflicts by @olevski in #166
• chore: move sanic client to common fixture by @Panaetius in #168
• chore: enable pyupgrade and fix violations by @Panaetius in #158
• chore: update to python 3.12 by @Panaetius in #167
• chore: fix ci failing for avro schemas by @olevski in #172
• chore: add null-byte check middleware by @Panaetius in #170

Full Changelog: v0.8.2...v0.8.3