bump node version for action (#330)

Author: bramkragten

.github/workflows/ci.yml

@@ -15,9 +15,9 @@ jobs:
 
     steps:
       - uses: actions/[email protected]
-      - name: Use Node.js 12
+      - name: Use Node.js 18
         uses: actions/[email protected]
         with:
-          node-version: 12
+          node-version: 18
       - run: npm install
       - run: npm test

.github/workflows/npmpublish.yml

@@ -25,7 +25,7 @@ jobs:
       - uses: actions/[email protected]
       - uses: actions/[email protected]
         with:
-          node-version: 12
+          node-version: 18
           registry-url: https://registry.npmjs.org/
       - run: npm install
       - run: npm publish