fix: Constrain anndata to <0.10.0 for squidpy 1.2.x compatibility

Squidpy 1.2.x requires older anndata internals (SparseCSCView) that
were removed in newer versions. Constraining anndata to <0.10.0
ensures compatibility with squidpy 1.2.x.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: cafferychen777

pyproject.toml

@@ -20,7 +20,8 @@ dependencies = [
 
     # Single-cell analysis core
     "scanpy>=1.9.0,<2.0",
-    "anndata>=0.8.0,<1.0",
+    # Pin anndata to be compatible with squidpy 1.2.x
+    "anndata>=0.8.0,<0.10.0",
 
     # Version constraint to handle jinja2 conflict with pygpcca
     "jinja2>=3.0.0",