Bump tower-http from v0.5 to v0.6 (#4121)

Author: dependabot[bot]

crates/example-tests/Cargo.toml

@@ -23,4 +23,4 @@ serde_json = "1.0"
 tokio = { version = "1.29.1", features = ["macros", "net", "time"] }
 tokio-tungstenite = "0.24"
 tower = { version = "0.5", features = ["make", "util"] }
-tower-http = { version = "0.5", features = ["fs", "util", "set-header"] }
+tower-http = { version = "0.6", features = ["fs", "util", "set-header"] }