Bump julia-actions/cache from 2 to 3 (#114)

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/Documentation.yml

@@ -38,7 +38,7 @@ jobs:
       - uses: julia-actions/setup-julia@v2
         with:
           version: "1"
-      - uses: julia-actions/cache@v2
+      - uses: julia-actions/cache@v3
         id: julia-cache
         with:
           cache-name: Documentation
@@ -87,7 +87,7 @@ jobs:
       - uses: julia-actions/setup-julia@v2
         with:
           version: "1"
-      - uses: julia-actions/cache@v2
+      - uses: julia-actions/cache@v3
         with:
           # Steal cache from the build job
           cache-name: Documentation

.github/workflows/UnitTests.yml

@@ -58,5 +58,5 @@ jobs:
         with:
           version: ${{ matrix.julia-version }}
           arch: ${{ matrix.julia-arch }}
-      - uses: julia-actions/cache@v2
+      - uses: julia-actions/cache@v3
       - uses: julia-actions/julia-runtest@v1