ci: update node version

Author: gemidio

.github/workflows/docs-deploy.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 20
           cache: npm
           cache-dependency-path: '**/package-lock.json'
 

.github/workflows/docs-test-deploy.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 20
           cache: npm
           cache-dependency-path: '**/package-lock.json'