Update reqwest requirement from 0.11 to 0.12

Updates the requirements on [reqwest](https://github.com/seanmonstar/reqwest) to permit the latest version.
- [Release notes](https://github.com/seanmonstar/reqwest/releases)
- [Changelog](https://github.com/seanmonstar/reqwest/blob/master/CHANGELOG.md)
- [Commits](https://github.com/seanmonstar/reqwest/compare/v0.11.0...v0.12.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.toml

@@ -24,6 +24,6 @@ tokio = { version = "1", default-features = false, features = ["rt"] }
 [dev-dependencies]
 blocking = "1"
 futures = "0.3.5"
-reqwest = "0.11"
+reqwest = "0.12"
 tokio = { version = "1", default-features = false, features = ["rt-multi-thread", "io-std", "io-util", "macros", "net", "time"] }
 warp = "0.3"