feat: add Puppeteer v22 compatibility (#576)

BREAKING CHANGE:

Drop Node.js v16 support.

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [16, 18, "latest"]
+        node-version: [18, 20, "latest"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3

README.md

@@ -92,7 +92,7 @@ After installing Argos, learn how to [review visual changes](https://argos-ci.co
 module.exports = {
   launch: {
     dumpio: true,
-    headless: process.env.HEADLESS !== "false" ? "new" : false,
+    headless: process.env.HEADLESS !== "false",
   },
   server: {
     command: "node server.js",
@@ -213,7 +213,7 @@ Default config values:
 module.exports = {
   launch: {
     dumpio: true,
-    headless: process.env.HEADLESS !== "false" ? "new" : false,
+    headless: process.env.HEADLESS !== "false",
     product: "chrome",
   },
   browserContext: "default",