Updated public methods in confighttp

[AkhigbeEromo]

Added context.Context to the following functions:

ToClient
ToServer
ToListener
Link: #9807

[AkhigbeEromo]

Is there anything else you would like me to add @jpkrohling @dmitryax @TylerHelmuth

[codecov]

Codecov Report

Attention: Patch coverage is 71.42857% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 91.31%. Comparing base (b8690b6) to head (c1f270e).

Files	Patch %	Lines
config/confighttp/confighttp.go	62.50%	3 Missing ⚠️
receiver/otlpreceiver/otlp.go	75.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9895      +/-   ##
==========================================
- Coverage   91.34%   91.31%   -0.03%     
==========================================
  Files         357      357              
  Lines       19196    19202       +6     
==========================================
  Hits        17534    17534              
- Misses       1334     1340       +6     
  Partials      328      328              

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[codeboten]

Thanks @AkhigbeEromo