build: Improve Github Workflow

Skip cleaning workdir to allow reusing of Gradle cache
Resolves #10

.github/workflows/verify.yaml

@@ -10,6 +10,8 @@ jobs:
       - run: echo "🔎 The name of your branch is ${{ github.ref }} and your repository is ${{ github.repository }}."
       - name: Check out repository code
         uses: actions/checkout@v4
+        with:
+          clean: false
       - run: echo "💡 The ${{ github.repository }} repository has been cloned to the runner."
       - run: echo "🖥️ The workflow is now ready to test your code on the runner."
       - name: List files in the repository