refactor(zmq): add timeout for receive

[ngjaying]

avoid random panic when rule stops and receive is still running

[codecov]

Codecov Report

Attention: Patch coverage is 65.71429% with 12 lines in your changes missing coverage. Please review.

Project coverage is 71.09%. Comparing base (8760def) to head (789c48a).
Report is 6 commits behind head on master.

Files with missing lines	Patch %	Lines
extensions/impl/zmq/source.go	64.52%	9 Missing and 2 partials ⚠️
extensions/impl/zmq/sink.go	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3210      +/-   ##
==========================================
+ Coverage   71.01%   71.09%   +0.08%     
==========================================
  Files         392      395       +3     
  Lines       43959    44019      +60     
==========================================
+ Hits        31215    31294      +79     
+ Misses      10261    10227      -34     
- Partials     2483     2498      +15     

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