update node version on GH workflows

Author: BitPatty

.github/workflows/build.yml

@@ -11,7 +11,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: '18.15.0'
+          node-version: '20.2.0'
       - run: npm install
       - run: npm run build
       - run: npm run test

.github/workflows/publish-npm-package.yml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: '18.15.0'
+          node-version: '20.2.0'
           registry-url: 'https://npm.pkg.github.com'
           scope: '@bitpatty'
       - run: npm install
@@ -36,7 +36,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: '18.15.0'
+          node-version: '20.2.0'
           registry-url: 'https://registry.npmjs.org'
       - run: npm install
       - run: npm run build