Fix: Update localheinz/json-normalizer

[localheinz]

This PR

• updates localheinz/json-normalizer

Fixes #80.

[codecov]

Codecov Report

Merging #103 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #103   +/-   ##
=========================================
  Coverage     72.72%   72.72%           
  Complexity       63       63           
=========================================
  Files             7        7           
  Lines           264      264           
=========================================
  Hits            192      192           
  Misses           72       72

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