Bump julia-actions/cache from 2 to 3 (#16)

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

Author: dependabot[bot]

.github/workflows/CI.yml

@@ -38,7 +38,7 @@ jobs:
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: julia-actions/cache@v2
+      - uses: julia-actions/cache@v3
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
       - uses: julia-actions/julia-processcoverage@v1
@@ -59,7 +59,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@latest
-      - uses: julia-actions/cache@v2
+      - uses: julia-actions/cache@v3
       - name: Install dependencies
         run: julia --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(; path = pwd())); Pkg.instantiate();'
       - name: Build and deploy