Add 64 bit signed and unsigned integer type support to UserData

[iche033]

Signed-off-by: Ian Chen [email protected]

🎉 New feature

Summary

adds support for uint64_t and int64_t types.

Test it

Checklist

• Signed all commits for DCO
• Added tests
• Added example and/or tutorial
• Updated documentation (as needed)
• Updated migration guide (as needed)
• 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

[codecov]

Codecov Report

Merging #479 (61ad41a) into main (a8ac08c) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #479   +/-   ##
=======================================
  Coverage   53.49%   53.49%           
=======================================
  Files         192      192           
  Lines       19566    19566           
=======================================
  Hits        10467    10467           
  Misses       9099     9099           

Impacted Files	Coverage Δ
include/ignition/rendering/Node.hh	100.00% <ø> (ø)

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