Add node selector to support topology calculation

[lujiajing1126]

• If this pull request closes/resolves/fixes an existing issue, replace the issue number. Fixes [Feature] Implement Shard Topology Calculation and Caching in BanyanDB Liaison Nodes skywalking#11238
• Update the CHANGES log.

A continuation of #324

[codecov-commenter]

Codecov Report

Merging #334 (7322d23) into main (63be6e8) will increase coverage by 0.04%.
The diff coverage is 25.97%.

@@            Coverage Diff             @@
##             main     #334      +/-   ##
==========================================
+ Coverage   39.83%   39.87%   +0.04%     
==========================================
  Files         109      111       +2     
  Lines       11883    11938      +55     
==========================================
+ Hits         4733     4760      +27     
- Misses       6683     6709      +26     
- Partials      467      469       +2     

Files	Coverage Δ
pkg/node/maglev.go	64.28% <64.28%> (ø)
banyand/liaison/grpc/node.go	35.89% <42.85%> (+30.89%)	⬆️
pkg/node/interface.go	4.76% <4.76%> (ø)

... and 1 file with indirect coverage changes

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[hanahmily]

The codes look good to me roughly, but additional test cases are necessary before merging.