Bump actions/cache from 3.3.0 to 3.3.1 (#56)

Bumps [actions/cache](https://github.com/actions/cache) from 3.3.0 to 3.3.1.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](940f3d7cf1...88522ab9f3)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/CI.yml

@@ -33,7 +33,7 @@ jobs:
       fail-fast: false
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b
+    - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
     - name: Save cache
       id: cache
       uses: ./
@@ -56,7 +56,7 @@ jobs:
       fail-fast: false
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b
+    - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
     - name: Restore cache
       id: cache
       uses: ./
@@ -69,11 +69,16 @@ jobs:
         @assert ENV["cache-hit"] == "true"
       env:
         cache-hit: ${{ steps.cache.outputs.cache-hit }}
-    - name: Check non-empty artifacts and packages dir
+    - name: Check existance or emptiness of affected dirs
       shell: 'julia --color=yes {0}'
       run: |
+        # Artifacts and Packages should exist as they've been cached
         artifacts_dir = joinpath(first(DEPOT_PATH), "artifacts")
         @assert !isempty(readdir(artifacts_dir))
         packages_dir = joinpath(first(DEPOT_PATH), "packages")
         @assert !isempty(readdir(packages_dir))
 
+        # Caching the compiled dir is disabled by default and should not exist after restoring a cache
+        compiled_dir = joinpath(first(DEPOT_PATH), "compiled")
+        @assert !isdir(compiled_dir) || isempty(readdir(compiled_dir))
+

action.yml

@@ -43,7 +43,7 @@ runs:
         echo "PRECOMPILATION_CACHE_PATH=$PCC_PATH" >> $GITHUB_ENV
       shell: bash
 
-    - uses: actions/cache@4723a57e26efda3a62cbde1812113b730952852d
+    - uses: actions/cache@88522ab9f39a2ea568f7027eddc7d8d8bc9d59c8
       id: cache
       with:
         path: "${{ format('{0}\n{1}\n{2}\n{3}', env.ARTIFACTS_PATH, env.PACKAGES_PATH, env.REGISTRIES_PATH, env.PRECOMPILATION_CACHE_PATH) }}"