ci: use Node 24 GitHub actions

Author: feveromo

.github/workflows/ci.yml

@@ -13,10 +13,10 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Check out repository
-        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
+        uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6
 
       - name: Set up Node.js
-        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
+        uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 # v6
         with:
           node-version: 24
           cache: npm