v7.0.0 (Rust nightly-2024-05-22)

What's Changed

• Prepare v7 release, with Rust nightly-2024-05-22 by @andreibancioiu in #65
• Do not generate the "*.partial-source.json" anymore (bad, and not used) by @andreibancioiu in #61
• Stricter checks: not possible to build anymore if any cargo lock file is missing (part 1) by @andreibancioiu in #62
• Ensure no Cargo.lock changed during build by @andreibancioiu in #64
• Handle custom build root by @andreibancioiu in #58
• Improve tests, add new test (for missing Cargo.lock) by @andreibancioiu in #63

Full Changelog: v6.1.2...v7.0.0