Update jsonreporter.go

[xxnuo]

a case of incorrect capitalization

[Tantalor93]

thanks, this makes sense, but also doc and tests need to be adjusted:
test data:

• https://github.com/Tantalor93/dnspyre/blob/3c8b64cc5f3cb4f554612093317bcdedcacb4f83/pkg/reporter/testdata/jsonReport
• https://github.com/Tantalor93/dnspyre/blob/3c8b64cc5f3cb4f554612093317bcdedcacb4f83/pkg/reporter/testdata/jsonDohReport
• https://github.com/Tantalor93/dnspyre/blob/3c8b64cc5f3cb4f554612093317bcdedcacb4f83/pkg/reporter/testdata/jsonDnssecReport

docs:

• dnspyre/docs/jsonoutput.md

  Line 27 in 3c8b64c

  "TotalIDmismatch": 0,

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.94%. Comparing base (4747eaa) to head (7b6bc05).
Report is 113 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #298      +/-   ##
==========================================
+ Coverage   79.52%   79.94%   +0.42%     
==========================================
  Files           7        7              
  Lines        1133     1192      +59     
==========================================
+ Hits          901      953      +52     
+ Misses        187      184       -3     
- Partials       45       55      +10     

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[Tantalor93]

thanks!