Fix link in thermal camera tutorial

[iche033]

🦟 Bug fix

Summary

Checklist

• Signed all commits for DCO
• Added tests
• Updated documentation (as needed)
• Updated migration guide (as needed)
• Consider updating Python bindings (if the library has them)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• While waiting for a review on your PR, please help review another open pull request to support the maintainers

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

Merging #268 (639d32b) into gz-sensors7 (f2c3dca) will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff              @@
##           gz-sensors7     #268   +/-   ##
============================================
  Coverage        67.75%   67.75%           
============================================
  Files               35       35           
  Lines             3734     3734           
============================================
  Hits              2530     2530           
  Misses            1204     1204           

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