Pin compas version in ironpython workflow

[yck011522]

This is to temporarily avoid problem with the IPY workflow.

See this failed action for example:
https://github.com/compas-dev/compas_fab/actions/runs/9294697625/job/25580341228#step:3:837

[yck011522]

The underlying trouble is tracked in compas-dev/compas#1362

[gonzalocasas]

LGTM

[gonzalocasas]

Eventually, it would be important to understand why this happened, and what exactly made latest compas trigger this error in the first place, but for now, this will do!

[yck011522]

Error message:

C:\ProgramData\Chocolatey\lib\ironpython\Lib\site-packages\pip\_vendor\requests\packages\urllib3\util\ssl_.py:1: SNIMissingWarning: An HTTPS request has been made, but the SNI (Subject Name Indication) extension to TLS is not available on this platform. This may cause the server to present an incorrect TLS certificate, which can cause validation failures. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#snimissingwarning.
  from __future__ import absolute_import
Processing d:\a\compas_fab\compas_fab\compas.tar.gz
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
    IOError: [Errno 2] Could not find file 'c:\users\runneradmin\appdata\local\temp\pip-rrofyb-build\setup.py'.: c:\users\runneradmin\appdata\local\temp\pip-rrofyb-build\setup.py
    
    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in c:\users\runneradmin\appdata\local\temp\pip-rrofyb-build\
C:\ProgramData\Chocolatey\lib\ironpython\Lib\site-packages\pip\_vendor\requests\packages\urllib3\util\ssl_.py:1: SNIMissingWarning: An HTTPS request has been made, but the SNI (Subject Name Indication) extension to TLS is not available on this platform. This may cause the server to present an incorrect TLS certificate, which can cause validation failures. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#snimissingwarning.