Update node versions in CI config

Author: michaeldzjap

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        node-version: [17.x, 18.x]
+        node-version: [17.x]
     steps:
     - name: Check out repository code
       uses: actions/checkout@v3