Fix sample interceptor readme

[SavinduDimal]

Purpose

$Subject

[codecov-commenter]

Codecov Report

Patch coverage has no change and project coverage change: -0.02% ⚠️

Comparison is base (e455244) 25.49% compared to head (0beba26) 25.48%.
Report is 50 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1694      +/-   ##
==========================================
- Coverage   25.49%   25.48%   -0.02%     
==========================================
  Files         262      131     -131     
  Lines       30205    15144   -15061     
  Branches     5088     2558    -2530     
==========================================
- Hits         7700     3859    -3841     
+ Misses      22243    11154   -11089     
+ Partials      262      131     -131     

Flag	Coverage Δ
adapter	25.60% <ø> (-0.04%)	⬇️
common-controller	1.11% <ø> (ø)
config-deployer-service	26.33% <ø> (+0.03%)	⬆️
idp-domain-service	80.10% <ø> (ø)
router	?

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see 133 files with indirect coverage changes

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