Replace actions/cache with julia-actions/cache. (#242)

.github/workflows/ci.yml

@@ -30,13 +30,7 @@ jobs:
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
-      - uses: actions/cache@v3
-        with:
-          path: |
-            ~/.julia/artifacts
-            ~/.julia/packages
-            ~/.julia/registries
-          key: .julia-test-${{ matrix.version }}-${{ hashFiles('Project.toml') }}
+      - uses: julia-actions/cache@v1
       - uses: julia-actions/julia-runtest@v1
       - uses: julia-actions/julia-processcoverage@v1
       - uses: codecov/codecov-action@v3
@@ -50,13 +44,7 @@ jobs:
       - uses: julia-actions/setup-julia@v2
         with:
           version: '1'
-      - uses: actions/cache@v3
-        with:
-          path: |
-            ~/.julia/artifacts
-            ~/.julia/packages
-            ~/.julia/registries
-          key: .julia-docs-${{ hashFiles('docs/Project.toml', 'docs/Manifest.toml') }}
+      - uses: julia-actions/cache@v1
       - name: Install dependencies
         run: julia --project=docs -e 'using Pkg; Pkg.instantiate()'
       - name: Build and deploy