[HOTFIX]: Use Node 18 for staging builds (#812)

[HOTFIX]: Use Node 18

Author: branberry

.github/workflows/deploy-stg-ecs.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: '14.x'
+          node-version: '18.x'
       - name: Install Serverless Framework
         run: npm install -g serverless
       - name: Serverless AWS authentication