Update CI

Author: hmiguim

.github/workflows/CI.yml

@@ -33,7 +33,7 @@ jobs:
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
           restore-keys: ${{ runner.os }}-maven-
       - name: Install clamdscan
-        run: sudo apt-get install clamdscan -y
+        run: sudo apt-get update && sudo apt-get install clamdscan -y
       - name: Test
         run:
           mvn $MAVEN_CLI_OPTS -Dtestng.groups="travis" -Denforcer.skip=true clean org.jacoco:jacoco-maven-plugin:prepare-agent clean test