fix(ci): install graphviz

Author: DexrnZacAttack

.github/workflows/deploy.yml

@@ -18,10 +18,10 @@ jobs:
         with:
           submodules: 'recursive'
 
-      - name: Install Doxygen
+      - name: Install Dependencies
         run: |
           sudo apt update
-          sudo apt install -y doxygen
+          sudo apt install -y doxygen graphviz
 
       - name: Set reusable strings
         # Turn repeated input strings (such as the build output directory) into step outputs. These step outputs can be used throughout the workflow file.
@@ -60,4 +60,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v4