fix(CI): update python dependencies to python3

Author: rouson

.github/workflows/deploy-docs.yml

@@ -14,7 +14,7 @@ jobs:
     - name: Install Dependencies Ubuntu
       run: |
         sudo apt-get update
-        sudo apt install -y python-dev python build-essential graphviz
+        sudo apt install -y python3-dev python3 build-essential graphviz
         sudo pip install ford
 
     - name: Build Developer Documenation