Pin Cython to v3.1.6 to avoid crash on CGRtools code#10

efliks wants to merge 1 commit intocimm-kzn:4.1cimm-kzn/CGRtools:4.1from

efliks:bugfix/compilation-failure-with-cython-3.2.0efliks/CGRtools:bugfix/compilation-failure-with-cython-3.2.0Copy head branch name to clipboard