remove ring from the dependency tree

The crate `ring` was transitively pulled due to the feature `rustls-tls` being
selected for `reqwest`. In order to ensure `ring` is not pulled,
`rustls-tls-webpki-roots-no-provider` must be used instead.

crates/qbz-integrations/Cargo.toml

@@ -10,7 +10,7 @@ license = "MIT"
 tokio = { version = "1", features = ["sync", "time"] }
 
 # HTTP client
-reqwest = { version = "0.12", default-features = false, features = ["json", "rustls-tls"] }
+reqwest = { workspace = true, default-features = false, features = ["json", "rustls-tls-webpki-roots-no-provider"] }
 
 # Serialization
 serde = { version = "1", features = ["derive"] }