feat(GitHubActions): Use node 20 in npm-publish.yml

Author: htbkoo

.github/workflows/npm-publish.yml

@@ -36,7 +36,7 @@ jobs:
       - uses: actions/setup-node@v3
         with:
           # TODO: extract this to strategy.matrix, reference: https://github.com/orgs/community/discussions/26284#discussioncomment-3251198
-          node-version: 16
+          node-version: 20
 
       - run: npm ci
       - run: npm test
@@ -48,7 +48,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 20
           registry-url: https://registry.npmjs.org/
       - run: npm ci
       - run: npm publish