add a clean to ensure we do not lock files for a windows build (#55)

* add a clean to ensure we do not lock files for a windows build

cherry-pick of 6fb412f

* Update maven-verify.yml

* Update maven-verify.yml

* Update maven-verify.yml

Author: olamy

.github/workflows/maven-verify.yml

@@ -188,7 +188,7 @@ jobs:
       - name: Build Maven Site
         run: ./mvnw --errors --batch-mode --show-version ${{ inputs.maven-args }} ${{ inputs.ff-site-goal }}
         if: inputs.ff-site-run
-
+               
       - name: Upload Maven Site
         uses: actions/upload-artifact@v3
         with:
@@ -207,6 +207,9 @@ jobs:
         if: always()
         run: df -h
         shell: bash
+        
+      - name: Clean Ensuring no file handle remains open on windows
+        run: ./mvnw clean --errors --batch-mode --show-version           
 
   verify:
     needs: fail-fast-build
@@ -286,3 +289,7 @@ jobs:
         if: steps.should-run.conclusion == 'success' && always()
         run: df -h
         shell: bash
+        
+      - name: Clean Ensuring no file handle remains open on windows
+        if: steps.should-run.conclusion == 'success'
+        run: ./mvnw clean --errors --batch-mode --show-version