chore: update Node.js version to 24 in lint and test workflows

Author: gainsborouo

.github/workflows/lint.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v7
         with:
-          node-version: '20'
+          node-version: '24'
           cache: 'pnpm'
 
       - name: Install frontend dependencies

.github/workflows/test.yml

@@ -70,7 +70,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v7
         with:
-          node-version: "20"
+          node-version: "24"
           cache: "pnpm"
 
       - name: Install frontend dependencies
@@ -113,7 +113,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v7
         with:
-          node-version: "20"
+          node-version: "24"
           cache: "pnpm"
 
       - name: Install frontend dependencies