ci: update workflows node version

Author: stefanobartoletti

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        node: [18]
+        node: [22]
 
     steps:
       - uses: actions/checkout@v4

.github/workflows/gh-pages.yml

@@ -17,7 +17,7 @@ jobs:
       - run: corepack enable
       - uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '22'
           cache: pnpm
       # Pick your own package manager and build script
       - run: pnpm install