Fix dead link

Author: ocelotl

CHANGELOG.md

@@ -16,7 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fix: Remove `LogEmitter.flush()` to align with OTel Log spec
   ([#2863](https://github.com/open-telemetry/opentelemetry-python/pull/2863))
 
-## [1.12.0-0.33b0](https://github.com/open-telemetry/opentelemetry-python/releases/tag/v1.12.0-0.33b0) - 2022-08-08
+## [1.12.0-0.33b0](https://github.com/open-telemetry/opentelemetry-python/releases/tag/v1.12.0) - 2022-08-08
 
 - Add `force_flush` method to metrics exporter
   ([#2852](https://github.com/open-telemetry/opentelemetry-python/pull/2852))