Update just requirement from =1.40.0 to =1.42.0

Updates the requirements on [just](https://github.com/casey/just) to permit the latest version.
- [Release notes](https://github.com/casey/just/releases)
- [Changelog](https://github.com/casey/just/blob/master/CHANGELOG.md)
- [Commits](casey/just@1.40.0...1.40.0)

---
updated-dependencies:
- dependency-name: just
  dependency-version: 1.40.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Cargo.toml

@@ -104,7 +104,7 @@ cmake = "0.1.51"
 document-features = "0.2.10"
 fastbloom = { version = "0.12.0", default-features = false }
 hashbrown = { version = "0.14.5", default-features = false } # A faster hashmap, nostd compatible
-just = "=1.40.0"
+just = "=1.42.0"
 libc = "0.2.159" # For (*nix) libc
 libipt = "0.3.0"
 log = "0.4.22"