Update version to 1.2.1

Author: edtechre

docs/source/index.rst

@@ -35,7 +35,7 @@ PyBroker
             alt="python">
       </a>
       <a href="https://pypi.org/project/lib-pybroker/">
-         <img src="https://img.shields.io/badge/pypi-v1.1.40-brightgreen.svg"
+         <img src="https://img.shields.io/badge/pypi-v1.2.1-brightgreen.svg"
             alt="PyPI">
       </a>
       <a href="https://www.pybroker.com/en/latest/license.html">

src/pybroker/__init__.py

@@ -52,4 +52,4 @@
 # https://github.com/numba/numba/issues/8940
 from numba.np.unsafe import ndarray
 
-__version__ = "1.1.41"
+__version__ = "1.2.1"