ci: use npm ci for reproducible installs and test the declared Node range

.github/workflows/auto-tag.yml

@@ -23,10 +23,10 @@ jobs:
           cache: 'npm'
 
       - name: Install dependencies
-        run: npm install --include=dev
+        run: npm ci
 
       - name: Type check
-        run: npx tsc --noEmit
+        run: npm run typecheck
 
       - name: Test
         run: npm test

.github/workflows/ci.yml

@@ -7,21 +7,31 @@ on:
 jobs:
   ci:
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        # Cover the engines.node range declared in package.json (>=18):
+        # the supported minimum, current LTS, and latest LTS.
+        node-version: ['18', '20', '22']
+    name: ci (Node ${{ matrix.node-version }})
     steps:
       - uses: actions/checkout@v4
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '20'
+          node-version: ${{ matrix.node-version }}
           cache: 'npm'
 
       - name: Install dependencies
-        run: npm install --include=dev
+        run: npm ci
 
       - name: Lint
         run: npm run lint
 
+      - name: Type check
+        run: npm run typecheck
+
       - name: Test
         run: npm test
 

.github/workflows/publish.yml

@@ -24,7 +24,7 @@ jobs:
           cache: 'npm'
 
       - name: Install dependencies
-        run: npm install --include=dev
+        run: npm ci
 
       - name: Set version from tag
         run: |