feat: update version to 1.12.4

This commit updates the version of the Mistral AI Python Client SDK from 1.12.3 to 1.12.4. The changes include updating the version in the pyproject.toml file and the corresponding version in the uv.lock file to ensure consistency across the project dependencies.

The version bump indicates a new release with potential improvements or bug fixes, though the specific changes introduced in this version are not detailed in the provided diff.

Author: jean-malo

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "mistralai"
-version = "1.12.3"
+version = "1.12.4"
 description = "Python Client SDK for the Mistral AI API."
 authors = [{ name = "Mistral" }]
 requires-python = ">=3.10"