Update to latest actions/artifact NPM package (#195)

* Use latest actions/artifact NPM package + misc updates

* Use node 18 + caching in CI

* Run npm release

* Use node 16 for CI + devcontainer

.github/workflows/test.yml

@@ -21,12 +21,14 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
-    - name: Set Node.js 12.x
-      uses: actions/setup-node@v1
+    # using node 16 since that is what the latest version of the runner ships with
+    - name: Setup Node 16
+      uses: actions/setup-node@v3
       with:
-        node-version: 12.x
+        node-version: 16.x
+        cache: 'npm'
 
     - name: npm install
       run: npm install