[formrecognizer] Update changelog for release (Azure#29071)

* update changelog for release

* update readme

Author: catalinaperalta

sdk/formrecognizer/azure-ai-formrecognizer/CHANGELOG.md

@@ -1,18 +1,12 @@
 # Release History
 
-## 3.2.1 (Unreleased)
-
-### Features Added
-
-### Breaking Changes
+## 3.2.1 (2023-03-07)
 
 ### Bugs Fixed
 - Corrected typing for `invoice` argument in `begin_recognize_invoices()` on async `FormRecognizerClient`.
 - Fixed issue when calling `to_dict()` on `DocumentField` where `value` is not returned for address and currency fields.
 - Corrected typing for `form_type_confidence` property on `RecognizedForm`.
 
-### Other Changes
-
 ## 3.2.0 (2022-09-08)
 
 ### Features Added

sdk/formrecognizer/azure-ai-formrecognizer/README.md

@@ -36,7 +36,7 @@ This table shows the relationship between SDK versions and supported API version
 
 |SDK version|Supported API version of service
 |-|-
-|3.2.0 - Latest GA release | 2.0, 2.1, 2022-08-31 (default)
+|3.2.X - Latest GA release | 2.0, 2.1, 2022-08-31 (default)
 |3.1.X| 2.0, 2.1 (default)
 |3.0.0| 2.0