Publish all castable data types to pal_statistics (backport #2633)

[mergify]

Handle types not being double are just not published now.

I tried to make cast_to_double() reusable, I did not find a better place to add it.

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This is an automatic backport of pull request #2633 done by Mergify.

[codecov]

Codecov Report

❌ Patch coverage is 90.00000% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.45%. Comparing base (b0dac2d) to head (bbfe1c2).
⚠️ Report is 2 commits behind head on kilted.

Files with missing lines	Patch %	Lines
...re_interface/include/hardware_interface/handle.hpp	71.42%	2 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           kilted    #2854      +/-   ##
==========================================
+ Coverage   89.44%   89.45%   +0.01%     
==========================================
  Files         152      152              
  Lines       17983    18030      +47     
  Branches     1466     1468       +2     
==========================================
+ Hits        16084    16128      +44     
- Misses       1312     1314       +2     
- Partials      587      588       +1     

Flag	Coverage Δ
unittests	89.45% <90.00%> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...rface/include/hardware_interface/hardware_info.hpp	92.85% <100.00%> (+12.08%)	⬆️
hardware_interface/test/test_handle.cpp	98.68% <100.00%> (+0.16%)	⬆️
...ace_testing/test/test_components/test_actuator.cpp	88.73% <100.00%> (ø)
...re_interface/include/hardware_interface/handle.hpp	85.92% <71.42%> (-0.14%)	⬇️

... and 1 file with indirect coverage changes

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