Bump version to 0.1.9 in CITATION.cff, docs, and uv.lock

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: TomeHirata

CITATION.cff

@@ -2,7 +2,7 @@ cff-version: 1.2.0
 message: "If you use this software, please cite it as below."
 type: software
 title: "dte_adj: A Python Package for Estimating Distribution Treatment Effects"
-version: 0.1.8
+version: 0.1.9
 date-released: 2024-12-01
 url: "https://github.com/CyberAgentAILab/python-dte-adjustment"
 repository-code: "https://github.com/CyberAgentAILab/python-dte-adjustment"

docs/source/conf.py

@@ -13,7 +13,7 @@
 project = "dte_adj"
 copyright = "2024, CyberAgent, Inc."
 author = "CyberAgent, Inc"
-release = "0.1.8"
+release = "0.1.9"
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration