editoast: bump insta from 1.41.1 to 1.42.0 in /editoast

Bumps [insta](https://github.com/mitsuhiko/insta) from 1.41.1 to 1.42.0.
- [Release notes](https://github.com/mitsuhiko/insta/releases)
- [Changelog](https://github.com/mitsuhiko/insta/blob/master/CHANGELOG.md)
- [Commits](mitsuhiko/insta@1.41.1...1.42.0)

---
updated-dependencies:
- dependency-name: insta
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

editoast/Cargo.lock

@@ -18,7 +18,7 @@ syn = "2.0"
 proc-macro = true
 
 [dev-dependencies]
-insta = "1.41"
+insta = "1.42"
 pretty_assertions = "1.4.1"
 prettyplease = "0.2"