squash: re-enable cache

Author: arielvalentin

.github/actions/test_gem/action.yml

@@ -88,7 +88,7 @@ runs:
         ruby-version: "${{ inputs.ruby }}"
         working-directory: "${{ steps.setup.outputs.gem_dir }}"
         bundler:  "latest"
-        bundler-cache: false
+        bundler-cache: true
         cache-version: "${{ inputs.ruby }}-${{ steps.setup.outputs.cache_key }}"
 
     # If we're using appraisals, do it all manually.
@@ -98,15 +98,10 @@ runs:
       with:
         ruby-version: "${{ inputs.ruby }}"
         bundler:  "latest"
-        bundler-cache: false
+        bundler-cache: true
+        cache-version: "${{ inputs.ruby }}-${{ steps.setup.outputs.cache_key }}"
         working-directory: "${{ steps.setup.outputs.gem_dir }}"
-    # Perms workaround. See https://github.com/actions/runner-images/issues/10215
-    - name: Fix GEM_HOME permissions on GitHub Actions Runner
-      if: "${{ steps.setup.outputs.appraisals == 'true' }}"
-      shell: bash
-      run: |
-        # 🛠️😭 Fix GEM_HOME permissions 😭🛠️
-        chmod -R o-w $(gem env home)
+
     - name: Install dependencies and generate appraisals
       if: "${{ steps.setup.outputs.appraisals == 'true' }}"
       shell: bash