Bump julia-actions/cache from 2 to 3 in the github-actions group (#3)

Bumps the github-actions group with 1 update: [julia-actions/cache](https://github.com/julia-actions/cache).


Updates `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
  dependency-group: github-actions
...

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

@@ -32,6 +32,6 @@ jobs:
       - uses: julia-actions/setup-julia@v2
         with:
           version: '1'
-      - uses: julia-actions/cache@v2
+      - uses: julia-actions/cache@v3
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1

.github/workflows/Docs.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
       - name: Install docs dependencies
         run: julia --project=docs -e 'using Pkg; Pkg.develop(path="."); Pkg.instantiate()'
       - name: Install lcov

.github/workflows/DocsBackfill.yml

@@ -41,7 +41,7 @@ jobs:
       - uses: julia-actions/setup-julia@v2
         with:
           version: '1'
-      - uses: julia-actions/cache@v2
+      - uses: julia-actions/cache@v3
       - uses: quarto-dev/quarto-actions/setup@v2
 
       # Prepare gh-pages