feat: replace openraft with async version raft-rs

[MrCroxx]

Replace dependency https://github.com/datafuselabs/openraft with https://github.com/mrcroxx/raft-rs (async branch).

Most new modules with components using raft-rs are named with _v2.

And the QPS of integration tests increases 20x than before with openraft.

Remove openraft deps later.

Ref: #88 #117 #118 #119

[codecov]

Codecov Report

Merging #121 (8cc3d0b) into main (0a7c67d) will increase coverage by 5.39%.
The diff coverage is 80.60%.

@@            Coverage Diff             @@
##             main     #121      +/-   ##
==========================================
+ Coverage   73.26%   78.65%   +5.39%     
==========================================
  Files          72       85      +13     
  Lines        7294     9474    +2180     
==========================================
+ Hits         5344     7452    +2108     
- Misses       1950     2022      +72     

Impacted Files	Coverage Δ
common/src/lib.rs	100.00% <ø> (ø)
common/src/log.rs	15.78% <0.00%> (-0.43%)	⬇️
storage/src/error.rs	14.28% <ø> (ø)
storage/src/lib.rs	100.00% <ø> (ø)
storage/src/lsm_tree/components/block.rs	95.32% <ø> (ø)
storage/src/raft_log_store_v2/error.rs	0.00% <0.00%> (ø)
wheel/src/components/lsm_tree.rs	84.21% <ø> (+24.88%)	⬆️
wheel/src/error.rs	0.00% <0.00%> (ø)
wheel/src/service.rs	14.25% <0.00%> (-56.18%)	⬇️
wheel/src/worker/kv.rs	46.15% <0.00%> (-15.39%)	⬇️
... and 37 more

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[MrCroxx]

So happy to hear: