Add check for non-UTF-8 files in Codacy workflow

Added a step to check for non-UTF-8 files in the workflow.

.github/workflows/codacy.yml

@@ -33,6 +33,10 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Check for non-UTF-8 files
+        run: |
+          find . -type f -exec file --mime {} + | grep -v 'charset=utf-8' || true
+
       # Execute Codacy Analysis CLI and generate a SARIF output with the security issues identified during the analysis
       - name: Run Codacy Analysis CLI
         uses: codacy/codacy-analysis-cli-action@d840f886c4bd4edc059706d09c6a1586111c540b