Graphene 1.10.8 (stable)

Changes since 1.10.6

• ray: simplify NaN checking [Érico Nogueira]
• Build fixes [Dor Askayo, q66, Chun-wei Fan, Marc-André Lureau]
• SIMD: Make reciprocal operations 0-safe [Dor Askayo]
• SIMD: Add simplified scalar reciprocal [Dor Askayo]
• ray: Improve intersection [Dor Askayo]
• tests: Fix installed introspection test [Matthias Devlamynck]
• Fix detection of AArch64 [Dor Askayo]
• tests: Add ray intersection unit [Sebastian Keller]
• Fix ARM64 build on Windows [Chun-wei Fan]
• Documentation fixes