chore(deps): update policyengine-uk to 2.88.20

Author: github-actions[bot]

projects/policyengine-api-simulation/pyproject.toml

@@ -18,7 +18,7 @@ dependencies = [
     "policyengine-fastapi",
     "policyengine==0.13.0",
     "policyengine-core>=3.23.5",
-    "policyengine-uk==2.88.14",
+    "policyengine-uk==2.88.20",
     "policyengine-us==1.700.0",
     "tables>=3.10.2",
     "modal>=0.73.0",

projects/policyengine-api-simulation/src/modal/app.py

@@ -15,7 +15,7 @@
 
 # Get versions from environment or use defaults
 US_VERSION = os.environ.get("POLICYENGINE_US_VERSION", "1.700.0")
-UK_VERSION = os.environ.get("POLICYENGINE_UK_VERSION", "2.88.14")
+UK_VERSION = os.environ.get("POLICYENGINE_UK_VERSION", "2.88.20")
 
 
 def get_app_name(us_version: str, uk_version: str) -> str: