Update lint.yml to use Node.js v20

Author: thadguidry

.github/workflows/lint.yml

@@ -13,8 +13,8 @@ jobs:
       - name: 'Setup Node'
         uses: 'actions/setup-node@v3'
         with:
-          node-version: 18
+          node-version: 20
       - name: 'Install Node modules'
         run: 'npm ci'
       - name: 'Run lint'
-        run: 'npm run lint'
+        run: 'npm run lint'