Locked version number to node.js 20

Author: neogeek

.github/workflows/publish.workflow.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Install Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 20
           registry-url: 'https://registry.npmjs.org'
 
       - name: Update NPM to latest

.github/workflows/test.workflow.yml

@@ -21,7 +21,6 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        node: [18, 20]
 
     steps:
       - name: Check out repository
@@ -30,7 +29,7 @@ jobs:
       - name: Install Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ matrix.node }}
+          node-version: 20
 
       - name: Update NPM to latest
         run: npm install npm@latest -g