Fix azure-core-experimental CHANGELOG (Azure#34377)

Author: alzimmermsft

sdk/core/azure-core-experimental/CHANGELOG.md

@@ -1,14 +1,12 @@
 # Release History
 
-## 1.0.0-beta.38 (Unreleased)
+## 1.0.0-beta.38 (2023-04-07)
 
-### Features Added
-
-### Breaking Changes
+### Other Changes
 
-### Bugs Fixed
+#### Dependency Updates
 
-### Other Changes
+- Upgraded `azure-core` from `1.37.0` to `1.38.0`.
 
 ## 1.0.0-beta.37 (2023-03-02)
 

sdk/core/azure-core-experimental/README.md

@@ -17,7 +17,7 @@ Azure Core Experimental contains types that are being evaluated and might eventu
 <dependency>
     <groupId>com.azure</groupId>
     <artifactId>azure-core-experimental</artifactId>
-    <version>1.0.0-beta.36</version>
+    <version>1.0.0-beta.38</version>
 </dependency>
 ```
 [//]: # ({x-version-update-end})