fix(triggers): Pass Child Context to Response Handler

[AlexCuse]

Context used in response handler needs to match context used for
pipeline execution. Fixes #1010.

Signed-off-by: Alex Ullrich [email protected]

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PR Checklist

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• I am not introducing a breaking change (if you are, flag in conventional commit message with BREAKING CHANGE: describing the break)
• I am not introducing a new dependency (add notes below if you are)
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  unit tests sufficient
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  no docs change

Testing Instructions

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[codecov-commenter]

Codecov Report

Merging #1011 (f53d7d6) into main (a4177a0) will decrease coverage by 0.06%.
The diff coverage is 33.33%.

@@            Coverage Diff             @@
##             main    #1011      +/-   ##
==========================================
- Coverage   68.96%   68.90%   -0.07%     
==========================================
  Files          36       36              
  Lines        2845     2849       +4     
==========================================
+ Hits         1962     1963       +1     
- Misses        775      777       +2     
- Partials      108      109       +1     

Impacted Files	Coverage Δ
internal/app/triggermessageprocessor.go	51.85% <33.33%> (-2.15%)	⬇️

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[lenny-goodell]

LGTM