Experiment with theoretical cache key conflict

.github/workflows/ReusableWorkflow.yml

@@ -0,0 +1,16 @@
+---
+name: Re-usable Workflow
+on:
+  workflow_call:
+    inputs: {}
+
+jobs:
+  duplicate:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+    - uses: julia-actions/setup-julia@v2
+      with:
+        version: "1"
+    - name: Save cache
+      uses: ./