Update Node.js to >=20.0 and Yarn to 4.9.3 for Admin Audit Trail module to align with Drupal Core with GitLab CI/CD

Problem/Motivation

Following with: Drupal Core updates on nodejs and yarn.. also the default linting and Gitlab CI

Proposed resolution

Change to

  "license": "GPL-2.0-or-later",
  "private": true,
  "engines": {
    "yarn": ">= 4.9.3",
    "node": ">= 20.0"
  },

and

  "packageManager": "yarn@4.9.3"

• Add the .yarnrc.yml file.
• Update dependencies to follow with Drupal Core package.json file
• Update the yarn.lock file.
• Add .cspell.json file
• Check this link to see how to switch yarn to 4.9.3 or 4.9.4 in your local.
• Add .gitlab-ci.yml file with basic build and linting
• Add README.md documentation for all submodules and update the main README.md file

Remaining tasks

• ✅ File an issue
• ✅ Addition/Change/Update/Fix
• ✅ Testing to ensure no regression
• ➖ Automated unit testing coverage
• ➖ Automated functional testing coverage
• ➖ UX/UI designer responsibilities
• ✅ Readability
• ➖ Accessibility
• ➖ Performance
• ➖ Security
• ✅ Documentation
• ✅ Code review by maintainers
• ✅ Full testing and approval
• ✅ Credit contributors
• ✅ Review with the product owner
• ✅ Release notes snippet
• ✅ Release admin_audit_trail-1.0.6

API changes

• N/A

Data model changes

• N/A

Release notes snippet

• chore(tooling): #3557726 Update Node.js to >=20.0 and Yarn to 4.9.3 for Admin Audit Trail module to align with Drupal Core with GitLab CI/CD