Bump julia-actions/cache from 1 to 2

Bumps [julia-actions/cache](https://github.com/julia-actions/cache) from 1 to 2.
- [Release notes](https://github.com/julia-actions/cache/releases)
- [Changelog](https://github.com/julia-actions/cache/blob/main/devdocs/making_a_new_release.md)
- [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]>

.github/workflows/base-tests-linux.yml

@@ -59,7 +59,7 @@ jobs:
           arch: ${{ matrix.julia-arch }}
 
       - name: Cache Julia
-        uses: julia-actions/cache@v1
+        uses: julia-actions/cache@v2
 
       - name: Build package
         uses: julia-actions/julia-buildpkg@v1

.github/workflows/base-tests-windows.yml

@@ -59,6 +59,6 @@ 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

.github/workflows/documentation.yml

@@ -58,7 +58,7 @@ jobs:
           arch: ${{ matrix.julia-arch }}
 
       - name: Cache Julia
-        uses: julia-actions/cache@v1
+        uses: julia-actions/cache@v2
 
       - name: Install dependencies
         run: julia --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd())); Pkg.develop(PackageSpec(path=joinpath(pwd(), "examples", "NaiveONNX.jl"))); Pkg.instantiate()'