[CI] Don't cache compiled stuff for Julia

Probably too risky. No error in the testing, but we encounter some new precompilation error since the change.

.github/workflows/test-smokes.yml

@@ -153,8 +153,8 @@ jobs:
       - name: Cache Julia Packages
         uses: julia-actions/cache@v1
         with:
+          cache-name: version-1
           cache-registries: true
-          cache-compiled: true
 
       - name: Restore Julia Packages
         working-directory: tests
@@ -166,7 +166,7 @@ jobs:
           pipenv run julia --color=yes --project=. -e "import Pkg; Pkg.instantiate(); Pkg.build(\"IJulia\"); Pkg.precompile()"
           echo "Julia Jupyter:"
           julia --project=. -e "import IJulia;println(IJulia.JUPYTER);println(IJulia.find_jupyter_subcommand(\"notebook\"))"
-      
+
       - name: Setup timing file for timed test
         if: ${{ matrix.time-test == true }}
         run: |