Make JSON errors more silent

[waynehamadi]

Background

The JSON invalid error is a giant red error everyone sees even witout the debug flag

Changes

Make JSON errors more silent by using debug instead of error.

Documentation

Test Plan

PR Quality Checklist

• My pull request is atomic and focuses on a single change.
• I have thoroughly tested my changes with multiple different prompts.
• I have considered potential risks and mitigations for my changes.
• I have documented my changes clearly and comprehensively.
• I have not snuck in any "extra" small tweaks changes.
• I have run the following commands against my code to ensure it passes our linters:

  black .
  isort .
  mypy
  autoflake --remove-all-unused-imports --recursive --ignore-init-module-imports --ignore-pass-after-docstring autogpt tests --in-place

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[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (4e3f832) 70.63% compared to head (f237fbd) 70.63%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #4748   +/-   ##
=======================================
  Coverage   70.63%   70.63%           
=======================================
  Files          67       67           
  Lines        3238     3238           
  Branches      513      513           
=======================================
  Hits         2287     2287           
  Misses        783      783           
  Partials      168      168           

Impacted Files	Coverage Δ
autogpt/json_utils/utilities.py	74.28% <100.00%> (ø)

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