breaking(node):drop 12, add 18

Author: ungoldman

.github/workflows/tests.yml

@@ -6,20 +6,26 @@ on:
     branches:
       - main
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   test:
     runs-on: ${{ matrix.os }}
 
     strategy:
       matrix:
         os: [ubuntu-latest]
-        node: [12, 14, 16]
+        node: [14, 16, 18]
 
     steps:
     - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node }}
       uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node }}
-    - run: npm i
+        cache-dependency-path: "**/package-lock.json"
+        cache: 'npm'
+    - run: npm ci
     - run: npm test