docs: Fixing missing 'c' in installation guide documentation

[JordanTB]

Fixed missing 'c' in 'docker-compose'

SUMMARY

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TESTING INSTRUCTIONS

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[github-actions]

Congrats on making your first PR and thank you for contributing to Superset! 🎉 ❤️

We hope to see you in our Slack community too! Not signed up? Use our Slack App to self-register.

[sfirke]

Thanks! This should actually be docker compose, would you mind removing the hyphen? This was introduced accidentally in #30030

[sfirke]

Oh and the failing check says you should edit your PR title:

Error: Please format your PR title to match: ^(build|chore|ci|docs|feat|fix|perf|refactor|style|test|other)(\(.+\))?(\!)?:\s.+!

See https://www.conventionalcommits.org/en/v1.0.0/