MAINT: Bump the actions group with 1 update (#2958)

Bumps the actions group with 1 update: [julia-actions/setup-julia](https://github.com/julia-actions/setup-julia).


Updates `julia-actions/setup-julia` from 1 to 2
- [Release notes](https://github.com/julia-actions/setup-julia/releases)
- [Commits](julia-actions/setup-julia@v1...v2)

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

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

.github/workflows/ci.yml

@@ -954,7 +954,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4.1.2
       - name: "Set up Julia"
-        uses: julia-actions/setup-julia@v1
+        uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.julia-version }}