update knip action node version (#13244)

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Author: phryneas

.github/workflows/knip.yml

@@ -8,12 +8,14 @@ permissions:
 jobs:
   lint:
     runs-on: ubuntu-latest
-    name: Ubuntu/Node v20
+    name: Ubuntu/Node v24
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         with:
           persist-credentials: false
       - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
+        with:
+          node-version: "24.x"
       - name: Install dependencies (with cache)
         uses: bahmutov/npm-install@20216767ca67f0f7b4d095dc5859c5700a6581cb # v1
       - name: Run knip