chore: bump version to 0.43.0 (#274)

* chore: bump version to 0.43.0

New features in this release:
- Cloud Run GPU deployment support (deploy_cloudrun.py, Dockerfile.cloudrun)
- Ensemble preset support in API client (-p/--preset flag in CLI)
- Preset parameter in separate_audio() and separate_audio_and_wait()
- Stem marker stripping for chained separations

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* Trigger CI: runners restarted, idle check paused

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: beveradb

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "audio-separator"
-version = "0.42.1"
+version = "0.43.0"
 description = "Easy to use audio stem separation, using various models from UVR trained primarily by @Anjok07"
 authors = ["Andrew Beveridge <andrew@beveridge.uk>"]
 license = "MIT"