Update actions workflow to Node 18 and add linting/type checking job

Node 17 reaches end-of-life on `2022-06-01`:
https://nodejs.org/en/about/releases/

Author: mrbbot

.github/workflows/test.yml

@@ -1,22 +1,25 @@
-# This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
+# This workflow will do a clean install of npm dependencies, run tests across different versions of Node.js,
+# run the linter, and run TypeScript type checking.
+#
 # For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
 
 name: Test
 
 on:
   push:
-    branches: [ master, v2 ]
+    branches: [ master ]
   pull_request:
-    branches: [ master, v2 ]
+    branches: [ master ]
 
 jobs:
   test:
+    name: "Test"
     runs-on: ${{ matrix.os }}
 
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        node: [16.7.0, 17.x]
+        node: [16.7.0, 18.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
@@ -27,3 +30,16 @@ jobs:
           node-version: ${{ matrix.node }}
       - run: npm ci
       - run: npm test
+
+  lint_type:
+    name: "Lint & Type Check"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js 18.x
+        uses: actions/setup-node@v2
+        with:
+          node-version: 18.x
+      - run: npm ci
+      - run: npm lint
+      - run: npm types:build