update changelog

CHANGELOG.md

@@ -13,6 +13,18 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
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+## [1.18.1] - 2024-09-10
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+### Added
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+- Removes stringify call on python constructor parameters. https://github.com/microsoftgraph/msgraph-sdk-python/issues/165
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+### Changed
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+- Fixed a bug where python construcor parameters are beig cast to strings leading to bugs as the types is unkown on graph call.
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 ## [1.18.0] - 2024-09-05
 
 ### Added
@@ -42,6 +54,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fixed an issue where the generation hint for the workspace experience would be outdated. [#5241](https://github.com/microsoft/kiota/issues/5241)
 - Fixes an issue where the GoPathSegmenter would create the same file name for different elements to lead to missing code due to overwriting of the content [#4833](https://github.com/microsoft/kiota/issues/4833)
 
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 ## [1.17.0] - 2024-08-09
 
 ### Added