ci(render): update to add png

Author: jknoxdev

.github/workflows/render-diagrams.yml

@@ -42,12 +42,12 @@ jobs:
       - name: Render SVG
         run: |
           find . -name '*.puml' -not -path './.git/*' -print0 \
-            | xargs -0 -r java -jar plantuml.jar -tsvg -nometadata
+            | xargs -0 -r java -jar plantuml.jar -tsvg -tpng -nometadata
 
       - name: Commit rendered diagrams
         uses: stefanzweifel/git-auto-commit-action@v5
         with:
           commit_message: "ci: auto-render PlantUML diagrams"
-          file_pattern: "**/*.svg"
+          file_pattern: "**/*.svg **/*.png"
           commit_user_name: "github-actions[bot]"
           commit_user_email: "github-actions[bot]@users.noreply.github.com"