chore: bump version to 2.1.0 in setup.py

Author: paulkr

setup.py

@@ -2,7 +2,7 @@
 
 setup(
     name="pica-langchain",
-    version="2.0.1",
+    version="2.1.0",
     packages=find_packages(),
     install_requires=[
         "langchain>=0.3.25,<1.0.0",