[yanggrpc] add receiver

[atoulme]

Description:
Adds receiver for the YANG/gRPC protocol.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 32.96%. Comparing base (cd4c612) to head (ea46df0).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7161      +/-   ##
==========================================
- Coverage   37.52%   32.96%   -4.57%     
==========================================
  Files         111      327     +216     
  Lines        5425    23112   +17687     
==========================================
+ Hits         2036     7618    +5582     
- Misses       3195    14612   +11417     
- Partials      194      882     +688     

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