Bump julia-actions/setup-julia from 2.7.0 to 3.0.0 (#68)

Bumps [julia-actions/setup-julia](https://github.com/julia-actions/setup-julia) from 2.7.0 to 3.0.0.
- [Release notes](https://github.com/julia-actions/setup-julia/releases)
- [Commits](julia-actions/setup-julia@4c0cb0f...4a12c5f)

---
updated-dependencies:
- dependency-name: julia-actions/setup-julia
  dependency-version: 3.0.0
  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]

.github/workflows/CI.yml

@@ -58,7 +58,7 @@ jobs:
             arch: x64
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
-      - uses: julia-actions/setup-julia@4c0cb0fce8556fdb04a90347310e5db8b1f98fb9 # v2
+      - uses: julia-actions/setup-julia@4a12c5f801ca5ef0458bba44687563ef276522dd # v3.0.0
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}