Bump extractions/setup-just from 3 to 4 (#17)

Bumps [extractions/setup-just](https://github.com/extractions/setup-just) from 3 to 4.
- [Release notes](https://github.com/extractions/setup-just/releases)
- [Commits](extractions/setup-just@v3...v4)

---
updated-dependencies:
- dependency-name: extractions/setup-just
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

action.yml

@@ -21,7 +21,7 @@ runs:
         toolchain: ${{ inputs.rust-toolchain }}
         components: clippy, rustfmt
 
-    - uses: extractions/setup-just@v3
+    - uses: extractions/setup-just@v4
       with:
         just-version: ${{ inputs.just-version }}