Bump version to 12.1.7 and update changelog (#930)

Release version 12.1.7

Author: Copilot

CHANGELOG.md

@@ -1,3 +1,14 @@
+## [[12.1.7]](https://github.com/Clarifai/clarifai-python/releases/tag/12.1.7) - [PyPI](https://pypi.org/project/clarifai/12.1.7/) - 2026-02-06
+
+### Added
+- Thread Configuration Management: Added functionality to pass num_threads from config.yaml to the model version protobuf.
+
+### Changed
+- Docker Entrypoint: Switched to tini as the default entrypoint in Dockerfile templates to improve signal handling and zombie process reaping within runner containers.
+
+### Fixed
+- Stdio MCP Server: Refactored the Model Context Protocol (MCP) server to improve logging clarity and remove unused legacy code.
+
 ## [[12.1.6]](https://github.com/Clarifai/clarifai-python/releases/tag/12.1.6) - [PyPI](https://pypi.org/project/clarifai/12.1.6/) - 2026-01-26
 
 ### Added

clarifai/__init__.py

@@ -1 +1 @@
-__version__ = "12.1.6"
+__version__ = "12.1.7"