Update crate czml

Author: bors

cz/ml/czml

@@ -17,3 +17,4 @@
 {"name":"czml","vers":"1.1.0","deps":[{"name":"reqwest","req":"^0.12.15","features":["blocking"],"optional":false,"default_features":true,"target":null,"kind":"dev"},{"name":"serde","req":"^1.0","features":["derive"],"optional":false,"default_features":true,"target":null,"kind":"normal"},{"name":"serde_json","req":"^1.0","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"}],"cksum":"a89ac801b70bf400079204c52c70a1c4c8ae2d2b07fbfb6c8e7c95d220af1feb","features":{},"yanked":false}
 {"name":"czml","vers":"1.2.0","deps":[{"name":"reqwest","req":"^0.12.15","features":["blocking"],"optional":false,"default_features":true,"target":null,"kind":"dev"},{"name":"serde","req":"^1.0","features":["derive"],"optional":false,"default_features":true,"target":null,"kind":"normal"},{"name":"serde_json","req":"^1.0","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"}],"cksum":"86fd77f9b724685a23bf4b91ff196ea99991f396b3da1f785ae12dd13a612fab","features":{},"yanked":false}
 {"name":"czml","vers":"2.0.0","deps":[{"name":"reqwest","req":"^0.12.15","features":["blocking"],"optional":false,"default_features":true,"target":null,"kind":"dev"},{"name":"serde","req":"^1.0","features":["derive"],"optional":false,"default_features":true,"target":null,"kind":"normal"},{"name":"serde_json","req":"^1.0","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"}],"cksum":"66f31ce29b646eddf747dd9392ab3132037f745427bdd906f26d4d585a265097","features":{},"yanked":false}
+{"name":"czml","vers":"3.0.0","deps":[{"name":"reqwest","req":"^0.12.15","features":["blocking"],"optional":false,"default_features":true,"target":null,"kind":"dev"},{"name":"serde","req":"^1.0","features":["derive"],"optional":false,"default_features":true,"target":null,"kind":"normal"},{"name":"serde_json","req":"^1.0","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"}],"cksum":"76f2618782a9ab16c0c27bd732b1b6de43fb4bcc933a564d2e4dd06d60a8c9d1","features":{},"yanked":false}