use only node 18.8

Author: holkeri

Diff for: .github/workflows/build-and-deploy.yml

@@ -8,17 +8,13 @@ jobs:
   build:
     runs-on: ubuntu-latest
 
-    strategy:
-      matrix:
-        node-version: [14.x, 16.x, 18.x]
-
     steps:
     - uses: actions/checkout@v4
 
-    - name: Use Node.js ${{ matrix.node-version }}
+    - name: Use Node.js}
       uses: actions/setup-node@v4
       with:
-        node-version: ${{ matrix.node-version }}
+        node-version: '18.x'
 
     - name: Build create-react-app
       run: |