Bump beta version to 5.2.0beta2

Author: poissoncorp

setup.py

@@ -3,7 +3,7 @@
 setup(
     name="ravendb",
     packages=find_packages(exclude=["*.tests.*", "tests", "*.tests", "tests.*"]),
-    version="5.2.0beta1",
+    version="5.2.0beta2",
     long_description_content_type="text/markdown",
     long_description=open("README_pypi.md").read(),
     description="Python client for RavenDB NoSQL Database",