build(deps): bump insta from 1.39.0 to 1.40.0

Bumps [insta](https://github.com/mitsuhiko/insta) from 1.39.0 to 1.40.0.
- [Release notes](https://github.com/mitsuhiko/insta/releases)
- [Changelog](https://github.com/mitsuhiko/insta/blob/master/CHANGELOG.md)
- [Commits](mitsuhiko/insta@1.39.0...1.40.0)

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

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

Cargo.toml

@@ -85,7 +85,7 @@ mockall = "0.13.0"
 # We need the backtrace feature to enable snapshot name generation in
 # single-threaded tests (tests using cargo cross run single-threaded due to
 # limitations with QEMU).
-insta = { version = "1.39.0" }
+insta = { version = "1.40.0" }
 
 [target.'cfg(target_os = "windows")'.dependencies]
 # We use directories next to get the windows config path