ci: bump checkout and setup-node to v6 for GitHub Node 24 action runtime

Avoids deprecation warnings for JS actions still bound to Node 20.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: dwertheimer

.github/workflows/node.js.yml

@@ -34,9 +34,10 @@ jobs:
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
-      - uses: actions/checkout@v4
+      # v6 runs the action runtime on Node 24+ (see GitHub deprecation of Node 20 for JS actions)
+      - uses: actions/checkout@v6
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node-version }}
           cache: 'npm'
@@ -84,9 +85,10 @@ jobs:
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
-      - uses: actions/checkout@v4
+      # v6 runs the action runtime on Node 24+ (see GitHub deprecation of Node 20 for JS actions)
+      - uses: actions/checkout@v6
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node-version }}
           cache: 'npm'