Update Rust crate insta to v1.42.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
insta (source)	dev-dependencies	minor	1.41.1 -> 1.42.0

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Release Notes

mitsuhiko/insta (insta)

v1.42.0

Compare Source

• Text snapshots no longer contain snapshot_type: text in their metadata. For
  context, we originally added this in the prior release (1.41.0) to support
  binary snapshots, but some folks disliked the diff noise on any snapshot
  changes, and the maintainers' weighted votes favored reverting. I apologize
  that this will cause some additional churn for those who used cargo test --force-update-snapshots to update their snapshots to the 1.41 format;
  running this again with 1.42 will remove those metadata entries. To confirm:
  this doesn't affect whether snapshot tests pass or fail — the worst impact is
  some additional diffs in metadata. #​690
• Pending snapshots are no longer removed throughout the workspace by
  cargo-insta before running tests. Instead, running a test will overwrite or
  remove its own pending snapshot. To remove all pending snapshots, use cargo insta reject or run tests with --unreferenced=delete. #​651
• insta::internals::SettingsBindDropGuard (returned from
  Settings::bind_to_scope) no longer implements Send. This was incorrect and
  any tests relying on this behavior where not working properly. Fixes #​694 in
  #​695 by @​jalil-salame

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