feat: add list procedure api

[ZuLiangWang]

Which issue does this PR close?

Closes #

Rationale for this change

Add ListRunningProcedure interface to display the currently running procedures.

What changes are included in this PR?

• Add ListRunningProcedure in API.go

Are there any user-facing changes?

None.

How does this change test

No need to test.

[codecov]

Codecov Report

Merging #214 (8f41673) into main (7f1354e) will increase coverage by 20.17%.
The diff coverage is 56.57%.

@@             Coverage Diff             @@
##             main     #214       +/-   ##
===========================================
+ Coverage   39.66%   59.84%   +20.17%     
===========================================
  Files          34       43        +9     
  Lines        4213     5147      +934     
===========================================
+ Hits         1671     3080     +1409     
+ Misses       2317     1675      -642     
- Partials      225      392      +167     

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%)	⬇️
server/member/watch_leader.go	40.62% <20.00%> (-2.71%)	⬇️
server/cluster/manager.go	38.96% <23.52%> (ø)
server/coordinator/factory.go	76.68% <27.27%> (+72.22%)	⬆️
.../operation/transferleader/batch_transfer_leader.go	33.80% <33.80%> (ø)
...oordinator/scheduler/rebalanced_shard_scheduler.go	43.47% <43.47%> (ø)
... and 19 more

... and 2 files with indirect coverage changes

[jiacai2050]

LGTM