Bump policyengine-core and microdf for pandas 3.0 compatibility (#544)

* Bump policyengine-core>=3.23.6 and microdf>=1.2.1 for pandas 3.0

- Core 3.23.6 fixes StringArray parameter lookups
- microdf 1.2.1 fixes set_weights CoW compatibility

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* Fix black formatting

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

Author: MaxGhenis

changelog_entry.yaml

@@ -0,0 +1,4 @@
+- bump: patch
+  changes:
+    changed:
+      - Bumped policyengine-core to 3.23.6 and microdf to 1.2.1 for pandas 3.0 compatibility

policyengine_canada/model_api.py

@@ -5,7 +5,6 @@
 )
 from policyengine_canada.tools.general import *
 
-
 CAD = "currency-CAD"
 
 

setup.py

@@ -8,13 +8,13 @@
 
 # Core requirements with refined version constraints
 general_requirements = [
-    "policyengine_core>=3.23.0",
+    "policyengine_core>=3.23.6",
     "black[jupyter]",
     "coverage<7",
     "dpath<3",
     "h5py>=3,<4",
     "linecheck<1",
-    "microdf_python>=1.0.0",
+    "microdf_python>=1.2.1",
     "nptyping<2",
     "numexpr<3",
     "pandas>=2.2.0",