npm audit & bump actions versions

Author: robherley

.github/workflows/test.yml

@@ -8,9 +8,9 @@ jobs:
     name: jest
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-node@v3
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
       with:
-        node-version: 16
+        node-version: 20
     - run: npm ci
     - run: npm test

README.md

@@ -15,8 +15,6 @@ Powered by [Job Summaries](https://github.blog/2022-05-09-supercharging-github-a
 
 ## Demo
 
-To interact with an example, [check it out here](https://github.com/robherley/go-test-example/actions/runs/2725452630/attempts/1#summary-7484360764).
-
 Tests are organized per package, with a brief summary of individual test results:
 
 ![summary overview](docs/img/overview.png)