message: chore: add memory leak fixing in CHANGELOG
diff: ### Bug Fixes
  +* nervosnetwork/tentacle#218: Fix FutureTask signals memory leak (@TheWaWaR)
  * #2039: Use wrong function to get a slice to decode ping messages (@yangby-cryptape)
  * #2035: Remove unsupport configurations in Cargo.toml (@yangby-cryptape)
  * #2054: Fix a typo of a thread name (@yangby-cryptape)
  