Release v2.1.2

Release: v2.1.2 [skip ci]

Patch

• Make: Consistent binary paths (134eca9)
• Make: ctest discoverable from root (41385b7)
• Make: Avoid nesting builds into scripts/ (7de8a1d)
• Improve: Switch to bf16::dot over ::cos (f9349fb)
• Fix: Rust static checks with Clippy (299c4d0)
• Docs: Refresh headlines (38a3ce7)
• Improve: Static analysis annotation (e4e38b8)