try to fix state

Author: Geometer1729

.github/actions/build/action.yml

@@ -15,6 +15,9 @@ inputs:
 runs:
   using: "composite"
   steps:
+    - name: Nuke state from last run?
+      shell: bash
+      run: sudo rm -rf /home/app/actions-runner/_work/o1js/o1js/
     - name: Install zstd if needed
       shell: bash
       run: command -v unzstd || (sudo apt-get update && sudo apt-get install -y zstd)