Upgrade actions/checkout to v6.0.2; opt into Node.js 24 now

actions/checkout bumped from v4 to v6.0.2 (latest stable as of 2026-01-09).
FORCE_JAVASCRIPT_ACTIONS_TO_NODE24=true added at job level in both workflows
to begin testing on Node 24 ahead of the mandatory cutover on June 2nd 2026.

Author: timlnx

.github/workflows/codeql.yml

@@ -16,10 +16,12 @@ jobs:
       actions: read
       contents: read
       security-events: write
+    env:
+      FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6.0.2
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v4

.github/workflows/python.yml

@@ -6,14 +6,16 @@ jobs:
   build:
     permissions:
       pull-requests: write
+    env:
+      FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
     strategy:
       matrix:
         python-version: ["3.11", "3.12", "3.13"]
         os: ["macos-latest", "ubuntu-latest"]
     runs-on: ${{ matrix.os }}
     steps:
       - name: "GitHub Checks it out :sunglasses-face:"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6.0.2
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5