ci: update doc deployment

Author: everythingfunctional

.github/workflows/deploy-docs.yml

@@ -7,14 +7,18 @@ jobs:
   Build:
     runs-on: ubuntu-latest
 
+    env:
+      FC: gfortran
+      GCC_V: 12
+
     steps:
     - name: Checkout code
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     - name: Install Dependencies Ubuntu
       run: |
         sudo apt-get update
-        sudo apt install -y python-dev python build-essential graphviz
+        sudo apt install -y gfortran-${GCC_V} python3-dev graphviz
         sudo pip install ford
 
     - name: Build Developer Documenation