deps(api)(deps): bump the rust-api group across 1 directory with 5 updates

Updates the requirements on [thiserror](https://github.com/dtolnay/thiserror), [sha2](https://github.com/RustCrypto/hashes), [axum](https://github.com/tokio-rs/axum), [tower](https://github.com/tower-rs/tower) and [reqwest](https://github.com/seanmonstar/reqwest) to permit the latest version.

Updates `thiserror` to 2.0.18
- [Release notes](https://github.com/dtolnay/thiserror/releases)
- [Commits](dtolnay/thiserror@1.0.0...2.0.18)

Updates `sha2` to 0.11.0
- [Commits](RustCrypto/hashes@groestl-v0.10.0...sha2-v0.11.0)

Updates `axum` to 0.8.8
- [Release notes](https://github.com/tokio-rs/axum/releases)
- [Changelog](https://github.com/tokio-rs/axum/blob/main/CHANGELOG.md)
- [Commits](tokio-rs/axum@axum-v0.7.0...axum-v0.8.8)

Updates `tower` to 0.5.3
- [Release notes](https://github.com/tower-rs/tower/releases)
- [Commits](tower-rs/tower@tower-0.4.0...tower-0.5.3)

Updates `reqwest` to 0.12.28
- [Release notes](https://github.com/seanmonstar/reqwest/releases)
- [Changelog](https://github.com/seanmonstar/reqwest/blob/master/CHANGELOG.md)
- [Commits](seanmonstar/reqwest@v0.12.0...v0.12.28)

---
updated-dependencies:
- dependency-name: thiserror
  dependency-version: 2.0.18
  dependency-type: direct:production
  dependency-group: rust-api
- dependency-name: sha2
  dependency-version: 0.11.0
  dependency-type: direct:production
  dependency-group: rust-api
- dependency-name: axum
  dependency-version: 0.8.8
  dependency-type: direct:production
  dependency-group: rust-api
- dependency-name: tower
  dependency-version: 0.5.3
  dependency-type: direct:production
  dependency-group: rust-api
- dependency-name: reqwest
  dependency-version: 0.12.28
  dependency-type: direct:production
  dependency-group: rust-api
...

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

Author: dependabot[bot]

crates/signia-api/Cargo.toml

@@ -13,17 +13,17 @@ engine = []
 
 [dependencies]
 anyhow = "1"
-thiserror = "1"
+thiserror = "2"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 time = { version = "0.3", features = ["std"] }
 uuid = { version = "1", features = ["v4"] }
-sha2 = "0.10"
+sha2 = "0.11"
 hex = "0.4"
 
-axum = { version = "0.7", features = ["macros", "json"] }
+axum = { version = "0.8", features = ["macros", "json"] }
 tokio = { version = "1", features = ["rt-multi-thread", "macros", "signal"] }
-tower = "0.4"
+tower = "0.5"
 tower-http = { version = "0.6", features = ["cors", "trace", "request-id"] }
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter", "fmt", "json"] }
@@ -34,5 +34,5 @@ signia-plugins = { path = "../signia-plugins" }
 signia-store = { path = "../signia-store" }
 
 [dev-dependencies]
-reqwest = { version = "0.12", features = ["json", "rustls-tls"] }
+reqwest = { version = "0.13", features = ["json", "rustls-tls"] }
 tempfile = "3"