CI: Install Graphviz

Author: mzecc

.github/workflows/ci.yaml

@@ -39,6 +39,10 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           uv-dependency-install-flags: "--all-extras --group docs"
+      - name: Install Graphviz
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y graphviz
       - name: docs
         run: |
           uv run --no-sync mkdocs build --strict

docs/gen_fortran_api.py

@@ -18,7 +18,7 @@ def main():
         raise AssertionError(msg)
 
     subprocess.run(  # noqa: S603
-        [ford, "ford_example.md"],
+        [ford, "ford_config.md"],
         check=True,
     )