remove 0b4

Author: Max Wang

CONTRIBUTING.md

@@ -72,7 +72,6 @@ Before each release, review merged PRs and update the changelog with:
 After creating tags, add version comparison links at the bottom of CHANGELOG.md:
 
 ```markdown
-[0.1.0b4]: https://github.com/microsoft/PowerPlatform-DataverseClient-Python/compare/v0.1.0b3...v0.1.0b4
 [0.1.0b3]: https://github.com/microsoft/PowerPlatform-DataverseClient-Python/compare/v0.1.0b2...v0.1.0b3
 [0.1.0b2]: https://github.com/microsoft/PowerPlatform-DataverseClient-Python/compare/v0.1.0b1...v0.1.0b2
 [0.1.0b1]: https://github.com/microsoft/PowerPlatform-DataverseClient-Python/releases/tag/v0.1.0b1