Update to node 18

Author: daiscog

.github/workflows/npm-publish.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2
         with:
-          node-version: 16
+          node-version: 18
           registry-url: https://registry.npmjs.org/
       - run: npm ci
       - run: npm run build

.github/workflows/test.yml

@@ -15,10 +15,10 @@ jobs:
         with:
           ref: ${{ github.base_ref }}
       - uses: actions/checkout@v2
-      - name: Use Node.js 16.x
+      - name: Use Node.js 18.x
         uses: actions/setup-node@v2
         with:
-          node-version: 16.x
+          node-version: 18.x
       - run: npm ci
       - run: npm run build
       - run: npm run test

.nvmrc

@@ -1 +1 @@
-16
+18