Update cupid requirement to 0.6.0

Updates the requirements on [cupid](https://github.com/shepmaster/cupid) to permit the latest version.
- [Release notes](https://github.com/shepmaster/cupid/releases)
- [Commits](https://github.com/shepmaster/cupid/commits/v0.6.0)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot-support

crates/stdsimd/Cargo.toml

@@ -27,7 +27,7 @@ cfg-if = "0.1"
 auxv = "0.3.3"
 quickcheck = "0.6"
 rand = "0.5"
-cupid = "0.5.0"
+cupid = "0.6.0"
 
 [[example]]
 name = "hex"