fix: support node20

Author: OrKoN

.github/workflows/run-tests.yml

@@ -20,6 +20,7 @@ jobs:
           - windows-latest
           - macos-latest
         node:
+          - 20
           - 22
           - 24
     steps:

README.md

@@ -26,7 +26,7 @@ MCP clients.
 
 ## Requirements
 
-- [Node.js 22](https://nodejs.org/) or newer.
+- [Node.js 20](https://nodejs.org/) or newer.
 - [Chrome](https://www.google.com/chrome/) current stable version or newer.
 - [npm](https://www.npmjs.com/).