ci: use node 20 (#486)

.github/workflows/bump.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '16'
+          node-version: 20'
           cache: 'npm'
       - name: Install dependencies
         uses: bahmutov/npm-install@v1

.github/workflows/main.yml

@@ -16,10 +16,10 @@ jobs:
       - name: Checkout repo
         uses: actions/checkout@v4
 
-      - name: Use Node 16
+      - name: Use Node 20
         uses: actions/setup-node@v4
         with:
-          node-version: 16
+          node-version: 20
 
       - name: Install dependencies
         uses: bahmutov/npm-install@v1
@@ -34,10 +34,10 @@ jobs:
       - name: Checkout repo
         uses: actions/checkout@v4
 
-      - name: Use Node 16
+      - name: Use Node 20
         uses: actions/setup-node@v4
         with:
-          node-version: 16
+          node-version: 20
 
       - name: Install dependencies
         uses: bahmutov/npm-install@v1
@@ -52,10 +52,10 @@ jobs:
       - name: Checkout repo
         uses: actions/checkout@v4
 
-      - name: Use Node 16
+      - name: Use Node 20
         uses: actions/setup-node@v4
         with:
-          node-version: 16
+          node-version: 20
 
       - name: Install dependencies
         uses: bahmutov/npm-install@v1
@@ -70,10 +70,10 @@ jobs:
       - name: Checkout repo
         uses: actions/checkout@v4
 
-      - name: Use Node 16
+      - name: Use Node 20
         uses: actions/setup-node@v4
         with:
-          node-version: 16
+          node-version: 20
 
       - name: Install dependencies
         uses: bahmutov/npm-install@v1

.github/workflows/publish.yml

@@ -14,7 +14,7 @@ jobs:
       - name: Setup node
         uses: actions/setup-node@v4
         with:
-          node-version: 16
+          node-version: 20
           registry-url: https://registry.npmjs.org/
 
       - name: Install