Merge pull request #29 from kodai3/chore-node-ver

chore: 🤖 align node version to 18

.github/workflows/publish.yml

@@ -13,7 +13,7 @@ jobs:
       # Setup .npmrc file to publish to npm
       - uses: actions/setup-node@v2
         with:
-          node-version: '16.x'
+          node-version: '18.x'
           registry-url: 'https://registry.npmjs.org'
       - run: npm ci
       - run: npm publish

.github/workflows/schedule.yml

@@ -14,7 +14,7 @@ jobs:
 
       - uses: actions/setup-node@v2
         with:
-          node-version: '16.x'
+          node-version: '18.x'
       - name: Cache node_modules
         # https://docs.github.com/ja/actions/guides/caching-dependencies-to-speed-up-workflows#example-using-the-cache-action
         # https://github.com/actions/cache/blob/main/examples.md#macos-and-ubuntu

.node-version

@@ -1 +1 @@
-14.17.6
+18