Upgrade bson crate to 1.0 (#678)

Author: iancormac84

juniper/CHANGELOG.md

@@ -51,7 +51,7 @@ See [#618](https://github.com/graphql-rust/juniper/pull/618).
 
 - Improved lookahead visibility for aliased fields (see [#662](https://github.com/graphql-rust/juniper/pull/662))
 
-- Bumped bson crate's version to 0.15.0 (see [#674](https://github.com/graphql-rust/juniper/pull/674))
+- Bumped bson crate's version to 1.0.0 (see [#678](https://github.com/graphql-rust/juniper/pull/678))
 
 ## Breaking Changes
 

juniper/Cargo.toml

@@ -39,7 +39,7 @@ scalar-naivetime = []
 [dependencies]
 juniper_codegen = { version = "0.14.2", path = "../juniper_codegen"  }
 
-bson = { version = "0.15.0", optional = true }
+bson = { version = "1.0.0", optional = true }
 chrono = { version = "0.4.0", optional = true }
 fnv = "1.0.3"
 futures = "0.3.1"