feat(proxy): add topicStats rpc

[ShadowySpirits]

No description provided.

[codecov]

Codecov Report

Merging #801 (a07c986) into main (2c54f7f) will decrease coverage by 0.75%.
The diff coverage is 4.00%.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #801      +/-   ##
============================================
- Coverage     57.02%   56.28%   -0.75%     
- Complexity     1229     1232       +3     
============================================
  Files           132      132              
  Lines          8196     8312     +116     
  Branches        749      764      +15     
============================================
+ Hits           4674     4678       +4     
- Misses         3118     3231     +113     
+ Partials        404      403       -1     

Components	Coverage Δ
RocketMQ Broker	∅ <ø> (∅)
RocketMQ Common	5.80% <ø> (ø)
RocketMQ Controller	55.13% <ø> (ø)
RocketMQ Proxy	39.83% <1.19%> (-1.80%)	⬇️
RocketMQ Store	74.34% <9.75%> (-1.11%)	⬇️
RocketMQ Stream	∅ <ø> (∅)
RocketMQ Metadata	35.44% <ø> (ø)

Files	Coverage Δ
...java/com/automq/rocketmq/store/api/LogicQueue.java	92.30% <0.00%> (ø)
...va/com/automq/rocketmq/store/MessageStoreImpl.java	46.21% <22.22%> (-3.79%)	⬇️
...m/automq/rocketmq/proxy/grpc/ProxyServiceImpl.java	0.00% <0.00%> (ø)
.../automq/rocketmq/store/queue/StreamLogicQueue.java	71.47% <0.00%> (-5.29%)	⬇️
...omq/rocketmq/proxy/service/MessageServiceImpl.java	55.92% <1.56%> (-8.33%)	⬇️