fix: Returning case-insensitive data in CacheFS

[pawelhertman]

What did you implement:

ParseJSON by default returns case-sensitive AA which usually is not intended.

How did you implement it:

How can we verify it:

Todos:

• [x] Write documentation (if required)
• [x] Fix linting errors
• [ ] Enable "Allow edits from maintainers" for this PR
• [x] Update the messages below

Is this ready for review?: YES Is it a breaking change?: NO

[github-actions[bot]]

:tada: This PR is included in version 2.3.2 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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