(temporary) do a clean CPython build to fix a broken cache

Signed-off-by: Joel Dice <joel.dice@fermyon.com>

Author: dicej

.github/workflows/test.yaml

@@ -68,7 +68,7 @@ jobs:
 
       - name: Build
         shell: bash
-        run: cargo build --release
+        run: rm -r cpython/builddir && cargo build --release
 
   test:
     name: Test