Consistent libarchive version

[jmborr]

Short description of the changes:

A conda environment containing dependencies from different channels (mantid, conda-forge, defaults) often leads to the following error when trying to build the conda package:

from libmambapy.bindings import *  # noqa: F401,F403
ImportError: libarchive.so.19: cannot open shared object file: No such file or directory

Long description of the changes:

• Explicit requirements of libmamba and libarchive so that both will be installed from the same conda channel.
• commented out build conda package in the unittest workflow. We should be testing the conda package even though we won't publish it
• add dependency anaconda-client to ensure command anaconda is available and prevent this error when uploading a conda package just built

Check list for the pull request

• I have read the [CONTRIBUTING]
• I have read the [CODE_OF_CONDUCT]
• I have added tests for my changes
• I have updated the documentation accordingly

Check list for the reviewer

• I have read the [CONTRIBUTING]
• I have verified the proposed changes
• best software practices
  • all internal functions have an underbar, as is python standard
  • clearly named variables (better to be verbose in variable names)
  • code comments explaining the intent of code blocks
• All the tests are passing
• The documentation is up to date
• code comments added when explaining intent

Manual test for the reviewer

References

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 3.70%. Comparing base (6306d9b) to head (8d4686c).

Additional details and impacted files

@@          Coverage Diff          @@
##            main     #13   +/-   ##
=====================================
  Coverage   3.70%   3.70%           
=====================================
  Files          5       5           
  Lines        135     135           
=====================================
  Hits           5       5           
  Misses       130     130           

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[KedoKudo]

LGTM 👍