Update to node 18 (#96)

* Update to node 18.0.0

* Update ci.yml

Author: rom1504

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x]
+        node-version: [18.x]
 
     steps:
     - uses: actions/checkout@v2

.github/workflows/publish.yml

@@ -13,7 +13,7 @@ jobs:
     - name: Set up Node.js
       uses: actions/setup-node@master
       with:
-        node-version: 14.0.0
+        node-version: 18.0.0
     - id: publish
       uses: JS-DevTools/npm-publish@v1
       with: