Add swift6 generator (#19621)

* [Swift6] create Swift6 generator

* [Swift6] create Swift6 generator

* Update vapor integration

* Update bitrise stack to Xcode 16

* [Swift6] tryped throws

* [Swift6] tryped throws

* [Swift6] combine deferred and api static method

* [Swift6] update readme

* [Swift6] fix some errors

* [Swift6] fix some errors

* [Swift6] fix some errors

* [Swift6] update docs

* [Swift6] update docs

* Use multiline comments for examples in csharp generator (#19079)

* multi

* gen

* Uncomment File::deleteOnExit (#19624)

* [Core/Rust Server] Check references in additionalProperties correctly when checking freeForm status (#19605)

* Check references in additionalProperties correctly

Handle references in additionalProperties correctly when determining free-form status

* Update samples

* [Rust Server] Handle arrays in forms (#19625)

* [Rust Server] Handle arrays in forms correctly

* [Rust Server] Add tests

* Update samples

* [Swift6] fix CI

* [Swift6] fix CI

* [Swift6] fix CI

* [Swift6] fix CI

---------

Co-authored-by: Liri S <reallyliri@gmail.com>
Co-authored-by: Beppe Catanese <1771700+gcatanese@users.noreply.github.com>
Co-authored-by: Richard Whitehouse <git@richardwhiuk.com>
Co-authored-by: William Cheng <wing328hk@gmail.com>

samples/client/petstore/swift6/combineLibrary/docs/ArrayTest.md

@@ -0,0 +1,12 @@
+# ArrayTest
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**arrayOfString** | **[String]** |  | [optional] 
+**arrayArrayOfInteger** | [[Int64]] |  | [optional] 
+**arrayArrayOfModel** | [[ReadOnlyFirst]] |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+