Increase streaming pull deadline to 55 seconds

[allenporter]

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 65.00000% with 7 lines in your changes missing coverage. Please review.

Project coverage is 96.66%. Comparing base (f4f17d2) to head (78f8776).

Files with missing lines	Patch %	Lines
google_nest_sdm/subscriber_client.py	65.00%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1166      +/-   ##
==========================================
- Coverage   96.84%   96.66%   -0.18%     
==========================================
  Files          23       23              
  Lines        2093     2100       +7     
==========================================
+ Hits         2027     2030       +3     
- Misses         66       70       +4     

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