chore(deps): update rust crate insta to v1.46.3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
insta (source)	dev-dependencies	patch	=1.46.2 → =1.46.3

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Release Notes

mitsuhiko/insta (insta)

v1.46.3

Compare Source

• Fix inline escaped snapshots incorrectly stripping leading newlines when content contains control characters like carriage returns. The escaped format (used for snapshots with control chars) now correctly preserves the original content without stripping a non-existent formatting newline. #​865

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