Build(deps): Bump julia-actions/setup-julia from 2.3.0 to 2.4.0

Bumps [julia-actions/setup-julia](https://github.com/julia-actions/setup-julia) from 2.3.0 to 2.4.0.
- [Release notes](https://github.com/julia-actions/setup-julia/releases)
- [Changelog](https://github.com/julia-actions/setup-julia/blob/master/devdocs/making_a_new_release.md)
- [Commits](julia-actions/setup-julia@780022b...512e2ab)

---
updated-dependencies:
- dependency-name: julia-actions/setup-julia
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/ci.yml

@@ -123,7 +123,7 @@ jobs:
       ### Clean (not cleanall!):
       - run: make clean
       ### Make sure there are no uncommited changes
-      - uses: julia-actions/setup-julia@780022b48dfc0c2c6b94cfee6a9284850107d037
+      - uses: julia-actions/setup-julia@512e2ab44f5848ea62bddd21d1ee906e989b0360
         with:
           version: '1'
       - run: git --no-pager status
@@ -263,7 +263,7 @@ jobs:
       # - run: npm install --package-lock-only
       - run: npm install
       ### Make sure there are no uncommited changes
-      - uses: julia-actions/setup-julia@780022b48dfc0c2c6b94cfee6a9284850107d037
+      - uses: julia-actions/setup-julia@512e2ab44f5848ea62bddd21d1ee906e989b0360
         with:
           version: '1'
       - run: git --no-pager status