Add graphql webhook validations

[AmaliMatharaarachchi]

Purpose

#1943

Goals

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Documentation

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Training

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Security checks

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (ec4fc12) 28.08% compared to head (98fafb9) 26.53%.
Report is 30 commits behind head on main.

❗ Current head 98fafb9 differs from pull request most recent head 5124b3f. Consider uploading reports for the commit 5124b3f to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1942      +/-   ##
==========================================
- Coverage   28.08%   26.53%   -1.56%     
==========================================
  Files         124      124              
  Lines       15267    14516     -751     
  Branches     2567     2575       +8     
==========================================
- Hits         4288     3852     -436     
+ Misses      10834    10540     -294     
+ Partials      145      124      -21     

Flag	Coverage Δ
adapter	24.59% <ø> (-2.63%)	⬇️
common-controller	4.62% <ø> (-0.01%)	⬇️
config-deployer-service	26.80% <ø> (-0.03%)	⬇️
idp-domain-service	80.18% <ø> (ø)

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