test: Run the examples to confirm their functionality

* Upgrade dev dependencies
* Replace npm with pnpm (worked slower)
* Replace eslint with denolint (worked slower)

Author: prantlf

examples/browser-bundled/.denolint.json

@@ -0,0 +1,5 @@
+{
+  "rules": {
+    "tags": ["recommended"]
+  }
+}