fix: update biome scheme

[0xisk]

Types of changes

What types of changes does your code introduce to OpenZeppelin Midnight Contracts?
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• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)

Fixes #???

PR Checklist

• I have read the Contributing Guide
• I have added tests that prove my fix is effective or that my feature works
• I have added documentation of new methods and any new behavior or changes to existing behavior
• CI Workflows Are Passing

Further comments

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[andrew-fleming]

We should update the biome version in the manifest as well, no?

[0xisk]

We should update the biome version in the manifest as well, no?

That's done here: #24 sorry that I didn't mention that in the PR description.

[andrew-fleming]

Nope, that's probably my bad. All good, sir!