v0.8.8

What's Changed

• Fix comparison test by @brendontan03 in #748
• Realtime: Reduce kafka cache size by @sieniven in #752
• Fix ci tests by @googgoog in #749
• Realtime: Fix pending eth_getBlockByNumber RPC, refactors and clean up tests by @sieniven in #754
• feat: modify txpool validation logic by @FineKe in #758
• Realtime: Remove global cache in state cache, fix panic on nil prevCache by @sieniven in #757
• add switch active status apollo support by @KyrinCode in #767
• add logs to detect time consuming by @fatcat22 in #766

Full Changelog: v0.8.7.1...v0.8.8