Bump julia-actions/cache from 2 to 3 (#42)

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/Deploy.yml

@@ -50,7 +50,7 @@ jobs:
     permissions: write-all
     steps:
       - uses: actions/checkout@v6
-      - uses: julia-actions/cache@v2
+      - uses: julia-actions/cache@v3
       - uses: tlienart/xranklin-build-action@e70949a36370edb99328be6141fb276265d96ea7
         with:
           # NOTE: this is the base URL prefix (landing page at /$BASE_URL_PREFIX/)