update checkout@v5, setup-python@v6 (Node 24)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: aborruso

.github/workflows/build.yml

@@ -21,9 +21,9 @@ jobs:
       FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: "3.11"