Fix dependency cleanup commands for PowerShell compatibility in GitHub Actions

Author: SFARPak

.github/workflows/ci.yml

@@ -44,8 +44,7 @@ jobs:
           cache-dependency-path: package-lock.json
       - name: Clean up
         run: |
-          rm -rf node_modules package-lock.json
-          npm cache clean --force
+          Remove-Item -Recurse -Force node_modules, package-lock.json -ErrorAction SilentlyContinue; npm cache clean --force
       - name: Install node modules
         run: npm ci --no-audit --no-fund --progress=false
       - name: Presubmit check (e.g. lint, format)