💚 improve node version on CI (#24)

Author: yoshiko-pg

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
     timeout-minutes: 5
     strategy:
       matrix:
-        node: ['10', '12', '14', '15', '16']
+        node: ['14', '16', '18']
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2

.github/workflows/publish.yml

@@ -25,7 +25,7 @@ jobs:
       - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3
       - uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c # v3
         with:
-          node-version-file: '.node-version'
+          node-version: '18'
           cache: 'yarn'
           registry-url: 'https://registry.npmjs.org'
       - name: Install dependencies