Update changelogs (Azure#31969)

* Update changelog

* Update sdk/core/azure-core-tracing-opentelemetry/CHANGELOG.md

Co-authored-by: Paul Van Eck <[email protected]>

---------

Co-authored-by: Paul Van Eck <[email protected]>

Author: xiangyan99

sdk/core/azure-core-tracing-opentelemetry/CHANGELOG.md

@@ -1,14 +1,10 @@
 # Release History
 
-## 1.0.0b11 (Unreleased)
-
-### Features Added
-
-### Breaking Changes
+## 1.0.0b11 (2023-09-07)
 
 ### Bugs Fixed
 
-### Other Changes
+- Fixed `OpenTelemetrySpan` typing to correctly implement the `AbstractSpan` protocol. ([#31943](https://github.com/Azure/azure-sdk-for-python/pull/31943))
 
 ## 1.0.0b10 (2023-07-11)
 

sdk/core/azure-core/CHANGELOG.md

@@ -1,17 +1,13 @@
 # Release History
 
-## 1.29.4 (Unreleased)
-
-### Features Added
-
-### Breaking Changes
+## 1.29.4 (2023-09-07)
 
 ### Bugs Fixed
 
 - Fixed the issue that some urls trigger an infinite loop. #31346
 - Fixed issue where IndexError was raised if multipart responses did not match the number of requests. #31471
-
-### Other Changes
+- Fixed issue unbound variable exception if dict is invalid in CloudEvent.from_dict. #31835
+- Fixed issue asyncBearerTokenCredentialPolicy is not backward compatible with SansIOHTTPPolicy. #31836
 
 ## 1.29.3 (2023-08-22)