[OpenAI] [Assistants] add types/src (#28543)

### Packages impacted by this PR
@azure/openai-assistants

### Issues associated with this PR
#28529

### Describe the problem that is addressed by this PR
types/src wasn't added to package build files list

### What are the possible designs available to address the problem? If
there are more than one possible design, why was the one in this PR
chosen?


### Are there test cases added in this PR? _(If not, why?)_


### Provide a list of related PRs _(if any)_


### Command used to generate this PR:**_(Applicable only to SDK release
request PRs)_

### Checklists
- [ x] Added impacted package name to the issue description
- [ ] Does this PR needs any fixes in the SDK Generator?** _(If so,
create an Issue in the
[Autorest/typescript](https://github.com/Azure/autorest.typescript)
repository and link it here)_
- [x ] Added a changelog (if necessary)

sdk/openai/openai-assistants/CHANGELOG.md

@@ -1,14 +1,10 @@
 # Release History
 
-## 1.0.0-beta.3 (Unreleased)
-
-### Features Added
-
-### Breaking Changes
+## 1.0.0-beta.3 (2024-02-09)
 
 ### Bugs Fixed
 
-### Other Changes
+- Re-fixed issue 28529 - import error for TypeScript users - add types/src to build output
 
 ## 1.0.0-beta.2 (2024-02-09)
 

sdk/openai/openai-assistants/package.json

@@ -48,6 +48,7 @@
     "dist/",
     "dist-esm/src/",
     "types/openai-assistants.d.ts",
+    "types/src",
     "README.md",
     "LICENSE",
     "CHANGELOG.md",