ci: pin Node.js version to 24.x in GitHub Actions workflows

Author: lirantal

.github/workflows/main.yml

@@ -36,7 +36,7 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
-          node-version: '24'
+          node-version: '24.x'
           cache: npm
       - run: npm ci
       - run: npm run semantic-release