GHA: Fix pysb installation failures (#1490)

Branch was merged to master and deleted.

Co-authored-by: Paul Jonas Jost <[email protected]>

tox.ini

@@ -81,7 +81,7 @@ deps =
     git+https://github.com/AMICI-dev/amici.git@develop\#egg=amici&subdirectory=python/sdist
 commands =
     python3 -m pip install git+https://github.com/PEtab-dev/petab_test_suite@main
-    python3 -m pip install git+https://github.com/FFroehlich/pysb@fix_pattern_matching
+    python3 -m pip install git+https://github.com/pysb/pysb@master
     python3 -m pip install -U copasi-basico[petab]
     python3 -m pip install -U sympy
     pytest --cov=pypesto --cov-report=xml --cov-append \