chore: bump node version in CI

Author: Ana Silva

.github/workflows/deploy-docs.yml

@@ -12,7 +12,7 @@ jobs:
       - name: Install Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 20
           cache: npm
 
       - name: Install dependencies

.github/workflows/main.yml

@@ -9,7 +9,7 @@ jobs:
     name: Actions
     strategy:
       matrix:
-        node-version: [18]
+        node-version: [20]
     runs-on: ubuntu-latest
     container:
       image: node:${{ matrix.node-version }}