Update GitHub Actions to use Node.js 22.x

[paschal533]

Title:

Update GitHub Actions to use Node.js 22.x

Description:

This PR updates the GitHub Actions workflow to use Node.js version 22.x for running tests.

• The change was made to verify compatibility with the latest LTS version of Node.js.
• Locally, all tests passed successfully after updating the testTimeout value in jest.config.ts.
• This PR will confirm if the CI pipeline also runs successfully with these updates.

Changes Made:

1. Updated node-version in the GitHub Actions workflow file to 22.x.
2. Tested compatibility with the newer Node.js version locally.

Testing:

• Local tests were successful with Node.js 22.13.0 after updating the Jest configuration.
• This PR will trigger the CI pipeline to verify the results.

Related Issue:

Resolves #79

[CluEleSsUK]

hmm unusual that this wasn't already set, though it certainly should be 1.2.6!