docs(README): update semantic_version description

[MikeMcC399]

Type of Change

• [ ] New feature
• [ ] Bug fix
• [X] Documentation
• [ ] Refactor
• [ ] Chore

Resolves

• Fixes #148

Describe Changes

This PR updates the README section: Semantic version.

• Advice is updated about how to use the semantic_version parameter.

• Compatibility issues with Version 20.0.0 of semantic-release are explained.

• Trailing whitespace in the README was also removed.

[cycjimmy]

LGTM. Thanks for your contribution.

[github-actions[bot]]

:tada: This PR is included in version 3.3.0 :tada:

The release is available on:

• npm package (@main dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: