chore(deps): Update Rust crate snapbox to v0.6.20

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
snapbox (source)	dev-dependencies	patch	0.6.19 -> 0.6.20

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Release Notes

assert-rs/snapbox (snapbox)

v0.6.20

Compare Source

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Configuration

📅 Schedule: Branch creation - "before 5am on the first day of the month" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• If you want to rebase/retry this PR, check this box

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[coveralls]

Pull Request Test Coverage Report for Build 12100954602

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 2.655%

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Totals
Change from base Build 11630894260:	0.0%
Covered Lines:	6
Relevant Lines:	226

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💛 - Coveralls