Update Hexasphere to 7.0.0 (#4001)

The new update includes wireframe generation capabilities. 

I didn't integrate that in this PR, however with some guidance, I'd be happy to do so.

Author: OptimisticPeach

crates/bevy_render/Cargo.toml

@@ -50,7 +50,7 @@ thiserror = "1.0"
 futures-lite = "1.4.0"
 anyhow = "1.0"
 hex = "0.4.2"
-hexasphere = "6.0.0"
+hexasphere = "7.0.0"
 parking_lot = "0.11.0"
 regex = "1.5"
 copyless = "0.1.5"