Update pyproject.toml

Fix: pin tangermeme to >=0.4.0,<0.5 (closes issue#14)

Author: saraswatmanu

pyproject.toml

@@ -32,7 +32,7 @@ dependencies = [
   "scikit-learn",
   "scipy",
   "seaborn",
-  "tangermeme",
+  "tangermeme>=0.4.0,<0.5",
   "umap-learn",
   "session-info2",  # for debug logging (referenced from the issue template)
   "torch",