Use Node 24 for pnpm workflows

Author: jvm

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
           version: 11.0.6
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 24
           cache: pnpm
       - run: pnpm install --frozen-lockfile
       - run: pnpm lint

.github/workflows/live-smoke.yml

@@ -13,7 +13,7 @@ jobs:
           version: 11.0.6
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 24
           cache: pnpm
       - run: pnpm install --frozen-lockfile
       - run: pnpm build