docs(README): update node and npm values

[Readpato]

Description

• Update outdated README

Changes

What kind of change does this PR introduce? (check at least one by adding an "x" between the brackets)

• [ ] Bugfix
• [ ] Feature
• [ ] Code style update
• [ ] Refactor
• [ ] Build-related changes
• [X] Other, please describe:
  • [X] Docs

Does this PR introduce a breaking change? (check one)

• [ ] Yes
• [X] No

The PR fulfills these requirements:

• [X] Schrödinger Hat code of conduct

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