refactor: support open shard concurrently

[ZuLiangWang]

Which issue does this PR close?

Closes #173

Rationale for this change

As it mentioned in issue, we need to support open shard concurrently to improve failover performence.

What changes are included in this PR?

• Add batch_transfer_leader, it is used to open multiple shards concurrently in batches.

Are there any user-facing changes?

None.

How does this change test

Pass all unit tests and integration tests.

[codecov[bot]]

Codecov Report

Merging #205 (604044a) into main (7f1354e) will increase coverage by 20.49%. The diff coverage is 57.23%.

@@             Coverage Diff             @@
##             main     #205       +/-   ##
===========================================
+ Coverage   39.66%   60.15%   +20.49%     
===========================================
  Files          34       42        +8     
  Lines        4213     5075      +862     
===========================================
+ Hits         1671     3053     +1382     
+ Misses       2317     1632      -685     
- Partials      225      390      +165     

Impacted Files	Coverage Δ
pkg/coderr/code.go	0.00% <ø> (ø)
server/cluster/metadata/types.go	0.00% <0.00%> (ø)
server/coordinator/procedure/util.go	0.00% <ø> (ø)
server/storage/meta.go	0.00% <ø> (ø)
server/storage/storage_impl.go	57.21% <0.00%> (-5.10%)	:arrow_down:
server/member/watch_leader.go	40.62% <20.00%> (-2.71%)	:arrow_down:
server/cluster/manager.go	38.96% <23.52%> (ø)
server/coordinator/factory.go	76.68% <27.27%> (+72.22%)	:arrow_up:
.../operation/transferleader/batch_transfer_leader.go	33.80% <33.80%> (ø)
server/member/member.go	47.39% <45.00%> (-1.32%)	:arrow_down:
... and 19 more

... and 1 file with indirect coverage changes