feat: add moderated for create_tag methods

[AstreaTSS]

Pull Request Type

• [x] Feature addition
• [ ] Bugfix
• [ ] Documentation update
• [ ] Code refactor
• [ ] Tests improvement
• [ ] CI/CD pipeline enhancement
• [ ] Other: [Replace with a description]

Description

Adds in the moderated field for the create_tag methods. This was already in ThreadTag, but some other places missed this.

Changes

See description.

Related Issues

Fixes #1592

Test Scenarios

await forum.create_tag("tag", "👋", moderated=True)

Python Compatibility

• [ ] I've ensured my code works on Python 3.10.x
• [x] I've ensured my code works on Python 3.11.x

Checklist

• [x] I've run the pre-commit code linter over all edited files
• [x] I've tested my changes on supported Python versions
• [ ] I've added tests for my code, if applicable
• [x] I've updated / added documentation, where applicable