Update checkov.yaml

Author: jmagee70

.github/workflows/checkov.yaml

@@ -27,7 +27,7 @@ jobs:
           soft_fail: true
           api-key: ${{ secrets.BC_API_KEY }}
       - name: Expose report
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: SARIF results
           path: results.sarif