Bump insta from 1.41.1 to 1.42.2 in /backend

Bumps [insta](https://github.com/mitsuhiko/insta) from 1.41.1 to 1.42.2.
- [Release notes](https://github.com/mitsuhiko/insta/releases)
- [Changelog](https://github.com/mitsuhiko/insta/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mitsuhiko/insta/compare/1.41.1...1.42.2)

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

Signed-off-by: dependabot[bot] <support@github.com>

backend/reconcile/Cargo.toml

@@ -13,7 +13,7 @@ serde = { version = "1.0.219", optional = true }
 serde = [ "dep:serde" ]
 
 [dev-dependencies]
-insta = "1.41.1"
+insta = "1.42.2"
 pretty_assertions = "1.4.1"
 test-case = "3.3.1"