Bump julia-actions/cache from 2 to 3 (#61)

Bumps [julia-actions/cache](https://github.com/julia-actions/cache) from 2 to 3.
- [Release notes](https://github.com/julia-actions/cache/releases)
- [Commits](julia-actions/cache@v2...v3)

---
updated-dependencies:
- dependency-name: julia-actions/cache
  dependency-version: '3'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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/FormatCheck.yml

@@ -33,7 +33,7 @@ jobs:
       - uses: julia-actions/setup-julia@v2
         with:
           version: "1"
-      - uses: julia-actions/cache@v2
+      - uses: julia-actions/cache@v3
       - name: Install JuliaFormatter
         shell: julia --project=@format --color=yes {0}
         run: |

.github/workflows/ci.yml

@@ -31,7 +31,7 @@ jobs:
         with:
           version: ${{ matrix.julia }}
       - name: Cache
-        uses: julia-actions/cache@v2
+        uses: julia-actions/cache@v3
         with:
           cache-compiled: "true"
       - name: Build

.github/workflows/documenter.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Cache
-        uses: julia-actions/cache@v2
+        uses: julia-actions/cache@v3
         with:
           cache-compiled: "true"              
       - uses: julia-actions/julia-buildpkg@latest