chore: update pyjuliacall requirement in environment.yml

Author: MilesCranmer

environment.yml

@@ -7,6 +7,6 @@ dependencies:
   - pandas>=0.21.0,<3.0.0
   - numpy>=1.13.0,<3.0.0
   - scikit-learn>=1.0.0,<2.0.0
-  - pyjuliacall>=0.9.24,<0.9.26
+  - pyjuliacall>=0.9.28,<0.9.29
   - click>=7.0.0,<9.0.0
   - typing-extensions>=4.0.0,<5.0.0