Clean up CI a bit

Author: JamesWrigley

.github/workflows/ci.yml

@@ -39,21 +39,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: julia-actions/setup-julia@v2
+      - uses: julia-actions/setup-julia@latest
         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 }}-
-            ${{ runner.os }}-test-${{ matrix.os }}
-            ${{ runner.os }}-
-      - uses: julia-actions/julia-buildpkg@v1
+      - uses: julia-actions/cache@v2
       - uses: julia-actions/julia-runtest@v1
         env:
           JULIA_NUM_THREADS: 4
@@ -68,8 +58,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@latest
-        with:
-          version: '1'
+      - uses: julia-actions/cache@v2
       - name: Install dependencies
         run: julia --project=docs/ -e 'using Pkg; Pkg.instantiate()'
       - name: Build and deploy