Upgrade GHA node version to 18

Author: mustard-mh

.github/workflows/gitpod-web-docker.yml

@@ -20,7 +20,7 @@ jobs:
           gcloud auth configure-docker --quiet
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 18
           cache: 'yarn'
           cache-dependency-path: '**/yarn.lock'
 

.github/workflows/release-gitpod-remote.yml

@@ -11,7 +11,7 @@ jobs:
 
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 18
 
       - name: Install dependencies
         run: |