Update crate quaternion-core

Author: bors

qu/at/quaternion-core

@@ -15,3 +15,4 @@
 {"name":"quaternion-core","vers":"0.5.1","deps":[{"name":"num-traits","req":"^0.2.19","features":[],"optional":false,"default_features":false,"target":null,"kind":"normal"},{"name":"serde","req":"^1.0.193","features":["derive"],"optional":true,"default_features":true,"target":null,"kind":"normal"}],"cksum":"22b89ea6d6aace0c953c81938dd9278b02db4035e0cf6ee13ce84b876a342063","features":{"default":["std"],"fma":[],"libm":["num-traits/libm"],"norm-sqrt":[],"serde-serialize":["serde"],"std":["num-traits/std"]},"yanked":false}
 {"name":"quaternion-core","vers":"0.5.2","deps":[{"name":"num-traits","req":"^0.2.19","features":[],"optional":false,"default_features":false,"target":null,"kind":"normal"},{"name":"serde","req":"^1.0.193","features":["derive"],"optional":true,"default_features":true,"target":null,"kind":"normal"}],"cksum":"37eb388bcdb980fad29593c464ff5d81e05a952ef49957f4dae34422bef8d624","features":{"default":["std"],"fma":[],"libm":["num-traits/libm"],"norm-sqrt":[],"serde-serialize":["serde"],"std":["num-traits/std"]},"yanked":false}
 {"name":"quaternion-core","vers":"0.5.3","deps":[{"name":"num-traits","req":"^0.2.19","features":[],"optional":false,"default_features":false,"target":null,"kind":"normal"},{"name":"serde","req":"^1.0.193","features":["derive"],"optional":true,"default_features":true,"target":null,"kind":"normal"}],"cksum":"2aadd9ec6853b86680056c4e430e0770c94171f8d388934d14fd8e8d116f77be","features":{"default":["std"],"fma":[],"libm":["num-traits/libm"],"norm-sqrt":[],"serde-serialize":["serde"],"std":["num-traits/std"]},"yanked":false}
+{"name":"quaternion-core","vers":"0.5.4","deps":[{"name":"num-traits","req":"^0.2.19","features":[],"optional":false,"default_features":false,"target":null,"kind":"normal"},{"name":"serde","req":"^1.0.193","features":["derive"],"optional":true,"default_features":true,"target":null,"kind":"normal"}],"cksum":"3647e97129bc3d8dc4a4ee1251c9799cf83766452875ccedaf90f45a0d5a3923","features":{"default":["std"],"fma":[],"libm":["num-traits/libm"],"norm-sqrt":[],"serde-serialize":["serde"],"std":["num-traits/std"]},"yanked":false}