fix(deps): update dependency @grpc/grpc-js to v1.9.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@grpc/grpc-js (source)	1.9.3 -> 1.9.4

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Release Notes

grpc/grpc-node (@​grpc/grpc-js)

v1.9.4: @​grpc/grpc-js 1.9.4

Compare Source

• Fix a bug that could cause a client to sometimes incorrectly hold the process open when no longer in use (#​2586)

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[codecov-commenter]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (e9d1012) 84.42% compared to head (15341c2) 84.43%.

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Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3294   +/-   ##
=======================================
  Coverage   84.42%   84.43%           
=======================================
  Files         476      476           
  Lines       44909    44909           
  Branches     5350     5351    +1     
=======================================
+ Hits        37915    37917    +2     
+ Misses       6956     6954    -2     
  Partials       38       38           

see 1 file with indirect coverage changes

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