bump version to 2.0.0b3

Author: bgunnar5

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to Merlin will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [2.0.0b3]
 
 ### Added
 - New `merlin cancel <yaml>` command that cancels all runs of a current study

merlin/__init__.py

@@ -14,7 +14,7 @@
 import sys
 
 
-__version__ = "2.0.0b2"
+__version__ = "2.0.0b3"
 VERSION = __version__
 PATH_TO_PROJ = os.path.join(os.path.dirname(__file__), "")