Bump GitHub Actions and Node versions (#30)

Author: ggrossetie

.github/workflows/ci.yml

@@ -13,17 +13,17 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        node-version: ['12.x', '14.x', '15.x']
+        node-version: ['16', '18']
         include:
           - os: macos-latest
-            node-version: 15.x
+            node-version: 18
           - os: windows-latest
-            node-version: 15.x
+            node-version: 18
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Node ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node-version }}
     - name: Install dependencies