switch to Node 20 as default runner, test also 18 and 20 on CI (#71)

.github/workflows/tests.yml

@@ -4,13 +4,17 @@ on: [pull_request]
 jobs:
   test:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: [16, 18, 20]
+    name: Testing on Node ${{ matrix.node }}
     steps:
     - name: '🚚 Checkout'
       uses: actions/checkout@v3
     - name: '🔧 Setup Node'
       uses: actions/setup-node@v3
       with:
-        node-version: '16'
+        node-version: ${{ matrix.node }}
     - name: '📦️ Install dependencies'
       run: yarn
     - name: '🧪 Run Unit tests'
@@ -29,4 +33,4 @@ jobs:
       uses: ./
       with:
         path: tests/ci/berry-v3/yarn.lock
-        token: ${{ secrets.GITHUB_TOKEN }}
+        token: ${{ secrets.GITHUB_TOKEN }}

action.yml

@@ -28,5 +28,5 @@ inputs:
     required: false
     default: 'false'
 runs:
-  using: 'node16'
+  using: 'node20'
   main: 'dist/index.js'