fix(deps): update dependency @grpc/proto-loader to v0.7.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@grpc/proto-loader (source)	0.7.2 -> 0.7.3

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Release Notes

grpc/grpc-node

v0.7.3

Compare Source

• Add message class name template options to TypeScript generator (#​2183 contributed by @​install)

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[gitpod-io]

[codecov-commenter]

Codecov Report

Base: 82.80% // Head: 82.80% // No change to project coverage 👍

Coverage data is based on head (4b64632) compared to base (1e82b69).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2327   +/-   ##
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  Coverage   82.80%   82.80%           
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  Files         435      435           
  Lines       15334    15334           
  Branches     3634     3634           
=======================================
  Hits        12698    12698           
  Misses       2407     2407           
  Partials      229      229           

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