Bump julia-actions/cache from 1 to 2 (#169)

Bumps [julia-actions/cache](https://github.com/julia-actions/cache) from 1 to 2.
- [Release notes](https://github.com/julia-actions/cache/releases)
- [Commits](julia-actions/cache@v1...v2)

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

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

.github/workflows/benchmark.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: julia-actions/setup-julia@v2
         with:
           version: '1.8.5'
-      - uses: julia-actions/cache@v1
+      - uses: julia-actions/cache@v2
       - name: Run benchmarks
         shell: julia --color=yes --project=benchmark {0}
         run: |

.github/workflows/ci.yml

@@ -36,7 +36,7 @@ jobs:
         with:
           version: ${{ matrix.julia-version }}
           arch: ${{ matrix.julia-arch }}
-      - uses: julia-actions/cache@v1
+      - uses: julia-actions/cache@v2
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
       - uses: julia-actions/julia-processcoverage@v1
@@ -55,7 +55,7 @@ jobs:
       - uses: julia-actions/setup-julia@v2
         with:
           version: 1
-      - uses: julia-actions/cache@v1
+      - uses: julia-actions/cache@v2
         with:
           cache-registries: "true"
       - uses: julia-actions/julia-docdeploy@releases/v1