feat: update to node20 (#70)

Author: joshjohanning

.github/workflows/ci.yml

@@ -12,7 +12,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
 
       - run: npm ci
 

.github/workflows/release.yml

@@ -9,9 +9,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
-          node-version: "lts/*"
+          node-version: '20'
       - run: npm ci
       - run: npm run build
       - run: rm .gitignore # dist/ folder is ignored by default

action.yml

@@ -14,5 +14,5 @@ outputs:
   jsonString:
     description: 'JSON string'
 runs:
-  using: 'node16'
+  using: 'node20'
   main: 'dist/index.js'