Bump version to 0.1.0b6 for next development cycle (microsoft#130)

Post-release version bump after b5 hotfix.

Co-authored-by: tpellissier <tpellissier@microsoft.com>
Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: 3 people

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "PowerPlatform-Dataverse-Client"
-version = "0.1.0b5"
+version = "0.1.0b6"
 description = "Python SDK for Microsoft Dataverse"
 readme = {file = "README.md", content-type = "text/markdown"}
 authors = [{name = "Microsoft Corporation"}]