Bump juniper from 0.15.9 to 0.15.10 (#567)

Bumps [juniper](https://github.com/graphql-rust/juniper) from 0.15.9 to 0.15.10.
- [Release notes](https://github.com/graphql-rust/juniper/releases)
- [Changelog](https://github.com/graphql-rust/juniper/blob/master/release.toml)
- [Commits](https://github.com/graphql-rust/juniper/compare/juniper-v0.15.9...juniper-v0.15.10)

---
updated-dependencies:
- dependency-name: juniper
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.lock

@@ -3189,9 +3189,9 @@ dependencies = [
 
 [[package]]
 name = "juniper"
-version = "0.15.9"
+version = "0.15.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21ac55c9084d08a7e315d78e2b15b7cc220f5eb67413c6ebf6967ee5de3b69fc"
+checksum = "4f478f229a8ab52ff242f3250c8b3b8fe0a59b5b934f9706b7bdbc980991a7b6"
 dependencies = [
  "async-trait",
  "bson 1.2.4",