Fix tutorial

[avanmalleghem]

🦟 Bug fix

Fixes #

Summary

• Fix links for live version
• Fix typo

Note to maintainers: Remember to use Squash-Merge and edit the commit message to match the pull request summary while retaining Signed-off-by messages.

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🎈 Release

Preparation for <X.Y.Z> release.

Comparison to <x.y.z>: https://github.com/gazebosim//compare/<LATEST_TAG_BRANCH>...<RELEASE_BRANCH>

Needed by <PR(s)>

Checklist

• Asked team if this is a good time for a release
• There are no changes to be ported from the previous major version
• No PRs targeted at this major version are close to getting in
• Bumped minor for new features, patch for bug fixes
• Updated changelog
• Updated migration guide (as needed)
• Link to PR updating dependency versions in appropriate repository in gazebo-release (as needed):

Note to maintainers: Remember to use Squash-Merge and edit the commit message to match the pull request summary while retaining Signed-off-by messages.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (gz-launch8@14f89d8). Learn more about missing BASE report.

Additional details and impacted files

@@              Coverage Diff              @@
##             gz-launch8     #276   +/-   ##
=============================================
  Coverage              ?   58.49%           
=============================================
  Files                 ?        4           
  Lines                 ?      424           
  Branches              ?        0           
=============================================
  Hits                  ?      248           
  Misses                ?      176           
  Partials              ?        0           

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