chore: Upgrade the node version used in CI (#77)

Author: ota-meshi

.github/workflows/publish.yml

@@ -49,8 +49,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
-        with:
-          node-version: 18
       - run: |
           npm install
         env:

.github/workflows/release.yml

@@ -21,10 +21,8 @@ jobs:
       - name: Checkout Repo
         uses: actions/checkout@v4
 
-      - name: Setup Node.js 18
+      - name: Setup Node.js
         uses: actions/setup-node@v4
-        with:
-          node-version: 18
 
       - name: Install Dependencies
         run: yarn