v22.3.0

Full Changelog: v21.12.0...v22.3.0

Breaking Changes

• feat: Deprecating the v2 position API by @urushibata-k in #1108
• feat: upgrade PostgreSQL by @YoshihitoAso in #1090

Additions and Improvements

• feat: return block_timestamp by @urushibata-k in #1092
• feat: upgrade cerberus by @YoshihitoAso in #1101
• feat: Include private listing token issuers by @YoshihitoAso in #1125

Bug Fixes

• fix: Add exception handling when web3 is not available by @YoshihitoAso in #1109
• fix: Failover fails by @YoshihitoAso in #1114
• fix: pool_pre_ping True (v22.3) by @YoshihitoAso in #1123