build(deps): update attohttpc requirement in /crates/volta-core

Updates the requirements on [attohttpc](https://github.com/sbstp/attohttpc) to permit the latest version.
- [Release notes](https://github.com/sbstp/attohttpc/releases)
- [Commits](sbstp/attohttpc@v0.25.0...v0.26.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

crates/volta-core/Cargo.toml

@@ -45,7 +45,7 @@ once_cell = "1.17.0"
 dunce = "1.0.3"
 ci_info = "0.14.9"
 hyperx = "1.4.0"
-attohttpc = { version = "0.25", default-features = false, features = ["json", "compress", "tls-rustls-native-roots"] }
+attohttpc = { version = "0.26", default-features = false, features = ["json", "compress", "tls-rustls-native-roots"] }
 chain-map = "0.1.0"
 indexmap = "2.1.0"
 retry = "2"