pre clean up

Author: davegarthsimpson

.github/workflows/build.yml

@@ -297,7 +297,14 @@ jobs:
 
     timeout-minutes: 90
 
-    steps:      
+    steps:
+      - name: Pre Clean Up for self-hosted runner
+        if: runner.os == 'Windows' && matrix.config.working-directory
+        shell: cmd
+        run: |
+          if exist "${{ matrix.config.working-directory }}" rmdir /s /q "${{ matrix.config.working-directory }}"
+          if exist "C:\actions-runner\_work\arduino-ide\arduino-ide" rmdir /s /q "C:\actions-runner\_work\arduino-ide\arduino-ide"
+
       - name: Symlink custom working directory
         shell: cmd
         if: runner.os == 'Windows' && matrix.config.working-directory