chore: Node.js 18/23 removal (#6138)

* Update Node.js versions that will be supported for 15

* update lowest npm version supported

Author: jennifer-shehane

docs/app/get-started/install-cypress.mdx

@@ -113,7 +113,7 @@ Cypress supports running under these operating systems:
 
 Cypress requires [Node.js](https://nodejs.org/) in order to install. We support the versions listed below:
 
-- **Node.js** 18.x, 20.x, 22.x and above
+- **Node.js** 20.x, 22.x, 24.x and above
 
 Cypress generally aligns with
 [Node's release schedule](https://github.com/nodejs/Release).
@@ -145,7 +145,7 @@ Cypress is [installed](#Install) using one of the following supported package ma
 
 | Package Manager                                  | Version             | Installation instructions                                                                                       |
 | ------------------------------------------------ | ------------------- | --------------------------------------------------------------------------------------------------------------- |
-| [npm](https://docs.npmjs.com/)                   | `8.6.0` and above   | [Downloading and installing Node.js and npm](https://docs.npmjs.com/downloading-and-installing-node-js-and-npm) |
+| [npm](https://docs.npmjs.com/)                   | `10.1.0` and above  | [Downloading and installing Node.js and npm](https://docs.npmjs.com/downloading-and-installing-node-js-and-npm) |
 | [Yarn 1 (Classic)](https://classic.yarnpkg.com/) | `1.22.22` and above | [Yarn 1 (Classic) Installation](https://classic.yarnpkg.com/en/docs/install)                                    |
 | [Yarn (Modern aka berry)](https://yarnpkg.com/)  | `4.x` and above     | [Yarn Installation](https://yarnpkg.com/getting-started/install)                                                |
 | [pnpm](https://pnpm.io/)                         | `8.x` and above     | [pnpm Installation](https://pnpm.io/installation)                                                               |