Use julia-actions/cache in CI.yml (#341)

* Use julia-actions/cache in CI.yml

Less boilerplate

* Fix version number for julia-actions/cache

Signed-off-by: abhro <5664668+abhro@users.noreply.github.com>

---------

Signed-off-by: abhro <5664668+abhro@users.noreply.github.com>

Author: abhro

.github/workflows/CI.yml

@@ -30,16 +30,7 @@ jobs:
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: actions/cache@v4
-        env:
-          cache-name: cache-artifacts
-        with:
-          path: ~/.julia/artifacts
-          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
-          restore-keys: |
-            ${{ runner.os }}-test-${{ env.cache-name }}-
-            ${{ runner.os }}-test-
-            ${{ runner.os }}-
+      - uses: julia-actions/cache@v2
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
       - uses: julia-actions/julia-processcoverage@v1