squash: no cache

Author: arielvalentin

.github/actions/test_gem/action.yml

@@ -79,7 +79,6 @@ runs:
       if: "${{ inputs.gem == 'opentelemetry-instrumentation-active_storage' }}"
       shell: bash
       run: sudo apt update && sudo apt install -y imagemagick
-
     # Install ruby and bundle dependencies and cache!
     # ...but not for appraisals, sadly.
     - name: Install Ruby ${{ inputs.ruby }} with dependencies
@@ -99,6 +98,7 @@ runs:
       with:
         ruby-version: "${{ inputs.ruby }}"
         bundler:  "latest"
+        bundler-cache: false
         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