SDFormat to MJCF: Added altimeter

[ahcorde]

Signed-off-by: ahcorde ahcorde@gmail.com

🎉 New feature

Summary

SDFormat to MJCF: Added altimeter

Test it

Checklist

• [x] Signed all commits for DCO
• [x] Added tests
• [ ] Added example and/or tutorial
• [ ] Updated documentation (as needed)
• [ ] Updated migration guide (as needed)
• [ ] Consider updating Python bindings (if the library has them)
• [x] codecheck passed (See contributing)
• [x] All tests passed (See test coverage)
• [x] 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[bot]]

Codecov Report

Merging #81 (98bf216) into main (3b08d03) will increase coverage by 0.03%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main      #81      +/-   ##
==========================================
+ Coverage   95.17%   95.20%   +0.03%     
==========================================
  Files          24       24              
  Lines        1099     1106       +7     
==========================================
+ Hits         1046     1053       +7     
  Misses         53       53              

Impacted Files	Coverage Δ
...dformat_mjcf/sdformat_to_mjcf/converters/sensor.py	100.00% <100.00%> (ø)

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