Update crate anim8

Author: bors

an/im/anim8

@@ -16,3 +16,4 @@
 {"name":"anim8","vers":"1.3.0","deps":[{"name":"serde","req":"^1","features":["derive"],"optional":false,"default_features":true,"target":null,"kind":"normal"}],"cksum":"d920a2d7112bf16b53d3c94a8bf7f9d876690590fe6b690e863689b3b67a8f50","features":{"scalar64":[]},"yanked":false}
 {"name":"anim8","vers":"1.3.1","deps":[{"name":"serde","req":"^1","features":["derive"],"optional":false,"default_features":true,"target":null,"kind":"normal"}],"cksum":"b1498188f742352f2c62bbeb466d9d1df420f11954c681445a88133051644f62","features":{"scalar64":[]},"yanked":false}
 {"name":"anim8","vers":"1.3.2","deps":[{"name":"serde","req":"^1","features":["derive"],"optional":false,"default_features":true,"target":null,"kind":"normal"}],"cksum":"b76f9c5fe762212f2dc3704f653493634697d0cb33f238c7510f38e4e7bd0532","features":{"scalar64":[]},"yanked":false}
+{"name":"anim8","vers":"1.4.0","deps":[{"name":"serde","req":"^1","features":["derive"],"optional":false,"default_features":true,"target":null,"kind":"normal"}],"cksum":"1c50cba4771e3e0e7a5889f13656405f09ff2c4ef6c1421fd15f23848744dd7b","features":{"scalar64":[]},"yanked":false}