Bump julia-actions/setup-julia from 1 to 2 (#9)

Bumps [julia-actions/setup-julia](https://github.com/julia-actions/setup-julia) from 1 to 2.
- [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@v1...v2)

---
updated-dependencies:
- dependency-name: julia-actions/setup-julia
  dependency-version: '2'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/Deploy.yml

@@ -23,7 +23,7 @@ jobs:
     # packages such as PyPlot.
     # - run: pip install matplotlib
     - name: Install Julia
-      uses: julia-actions/setup-julia@v1
+      uses: julia-actions/setup-julia@v2
       with:
         version: '1' # Latest stable Julia release.
     # NOTE