Fix

Author: mikir

.github/workflows/sonar_cloud.yml

@@ -31,7 +31,7 @@ jobs:
         java-version: 8
 
     - name: Install dependencies
-      run: sudo apt-get install cmake doxygen
+      run: sudo apt-get install cmake doxygen graphviz
 
     - name: Run build-wrapper
       run: |