Log Message:
py-maturin: updated to 0.15.3

v0.15.3
Fix cross-compile to Apple universal2 in the other platform
Remove serde(flatten) to improve error messages
Allow syn 2.0
describe the need for module-name
Fix cargo test failures in devcontainer
Add PEP 517 config_settings support
Keep file mode on Unix

v0.15.2
Add a unit test for PythonInterpreter::find_by_target
Try GitHub Actions merge queue
Skip git sdist generator tests when executing from a non-git checkout
Publish maturin itself using trusted publisher
Remove bors
When determining the python module name, use pyproject.toml project.name over \ 
Cargo.toml package.name.
Warn on missing python-source contents
Fix rewriting dev-dependencies in sdist