Update secrecy requirement from 0.8.0 to 0.10.3

Updates the requirements on [secrecy](https://github.com/iqlusioninc/crates) to permit the latest version.
- [Commits](https://github.com/iqlusioninc/crates/commits)

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

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

Cargo.toml

@@ -45,7 +45,7 @@ hyper-util = { version = "0.1.3", features = ["http1"] }
 once_cell = "1.7.2"
 percent-encoding = "2.2.0"
 pin-project = "1.0.12"
-secrecy = "0.8.0"
+secrecy = "0.10.3"
 serde = { version = "1.0.126", features = ["derive"] }
 serde_json = "1.0.64"
 serde_path_to_error = "0.1.4"