impr: CPO-539 Upgrade to Node 18.x & npm v9

[roystan-tm]

Issue Link:

PD-16720

What does it do?

Update this repo to Node 18.x by doing the following:

• Ensure that package.json:engines.node = ^18
• Ensure that package.json:engines.npm = ^9
• Ensure that all GitHub Actions have node-version: 18 and npm: 9 set.
• Ensure that .eslintrc.json:parserOptions.ecmaVersion = 2023.

Checklist

• BREAKING CHANGE - I have/intend to update all places where this package is used.
• I will squash: PR title conforms to standard commit message format (feat: XX-1234 ...)
• I will merge without squashing: All commits conforms to standard commit message format (feat: XX-1234 ...)
• README update

---

Notes to reviewers

This PR was created with the mass_repo_update script.