python(chore): Prep for v0.9.1 (#321)

Author: marc-sift

python/CHANGELOG.md

@@ -3,6 +3,9 @@ All notable changes to this project will be documented in this file.
 
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [v0.9.1] - August 18, 2025
+- [Allow importing TDMS metadata to existing Runs](https://github.com/sift-stack/sift/pull/320)
+
 ## [v0.9.0] - September 15, 2025
 ### What's New
 #### Parquet Upload Service

python/pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "sift_stack_py"
-version = "0.9.0"
+version = "0.9.1"
 description = "Python client library for the Sift API"
 requires-python = ">=3.8"
 readme = { file = "README.md", content-type = "text/markdown" }