Update crate gravitron_ecs

Author: bors

gr/av/gravitron_ecs

@@ -2,3 +2,4 @@
 {"name":"gravitron_ecs","vers":"0.1.1","deps":[{"name":"downcast","req":"^0.11.0","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"},{"name":"gravitron_ecs_macros","req":"^0.1.1","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"}],"cksum":"f565dc9a4470183c820196b7ccc40afadd985e838ed490a13f14a11c0c46fcdf","features":{},"yanked":false}
 {"name":"gravitron_ecs","vers":"0.1.2","deps":[{"name":"downcast","req":"^0.11.0","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"},{"name":"gravitron_ecs_macros","req":"^0.1.2","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"}],"cksum":"1899ea4c95a2093d24156a2df4e1ba5cbb4bde0b2e48873d90524ed50731eba0","features":{},"yanked":false}
 {"name":"gravitron_ecs","vers":"0.2.0","deps":[{"name":"downcast","req":"^0.11.0","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"},{"name":"gravitron_ecs_macros","req":"^0.1.3","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"},{"name":"gravitron_utils","req":"^0.1.2","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"},{"name":"log","req":"^0.4.22","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"}],"cksum":"3127e8c5f57079c717c4516b506dc05bf7c95944d97b85a75a069c041db7e826","features":{},"yanked":false}
+{"name":"gravitron_ecs","vers":"0.3.0","deps":[{"name":"downcast","req":"^0.11.0","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"},{"name":"gravitron_ecs_macros","req":"^0.1.4","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"},{"name":"gravitron_utils","req":"^0.1.3","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"},{"name":"log","req":"^0.4.22","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"}],"cksum":"40cb9a87b6051c4350d39861e904930067db9bf22cd9d7f4f4e598165613fc79","features":{"debug":[]},"yanked":false}