### Rationale for this change
Being able to run pyarrow without requiring numpy.
### What changes are included in this PR?
If numpy is not present we are able to import pyarrow and run functionality.
A new CI job has been created to run some basic tests without numpy.
### Are these changes tested?
Yes via CI.
### Are there any user-facing changes?
Yes, NumPy can be removed from the user installation and pyarrow functionality still works
* GitHub Issue: #25118
Lead-authored-by: Raúl Cumplido <raulcumplido@gmail.com>
Co-authored-by: Joris Van den Bossche <jorisvandenbossche@gmail.com>
Co-authored-by: Antoine Pitrou <pitrou@free.fr>
Signed-off-by: Antoine Pitrou <antoine@python.org>
