Merge pull request #640 from psychon/ci-clear-protocol

CI: clear the `src/protocol` directory before running the generator

Author: mergify[bot]

.github/workflows/CI.yml

@@ -20,6 +20,8 @@ jobs:
       with:
         profile: minimal
         toolchain: stable
+    - name: Clear src/protocol directory
+      run: rm src/protocol/*
     - name: Run code generator
       run: make
     - name: Check for changes