install and update clamav engine

Author: GreatBahram

.github/workflows/tests.yml

@@ -34,5 +34,11 @@ jobs:
       - name: Install current version of the clamd package
         run: python -m pip install -e .
 
+      - name: Install and update clamav engine
+        run: sudo apt update
+        run: sudo apt-get install clamav-daemon clamav-freshclam clamav-unofficial-sigs --yes
+        run: sudo freshclam --verbose
+        run: systemctl restart clamav-daemon.service
+
       - name: Run unit tests
         run: pytest