Use ubuntu 24.04 to build docs

.github/workflows/build-docs.yml

@@ -16,7 +16,7 @@ on:
 jobs:
   build-push:
     name: "Build & Push Docs"
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       # Checkout source code
       - name: Checkout