maturin 0.15.2 on Rust Cargo

What's Changed

Add a unit test for PythonInterpreter::find_by_target by @messense in #1600
Try GitHub Actions merge queue by @messense in #1596
Skip git sdist generator tests when executing from a non-git checkout by @messense in #1601
Publish maturin itself using trusted publisher by @messense in #1603
Remove bors by @messense in #1602
When determining the python module name, use pyproject.toml project.name over Cargo.toml package.name. by @konstin in #1608
Warn on missing python-source contents by @konstin in #1607
Fix rewriting dev-dependencies in sdist by @messense in #1610
Release v0.15.2 by @messense in #1611

Full Changelog: v0.15.1...v0.15.2