Bump url from 2.5.4 to 2.5.7 in /benchmarks/competitors/servo-url (#1001)

Author: dependabot[bot]

benchmarks/competitors/servo-url/Cargo.lock

@@ -8,7 +8,7 @@ path = "lib.rs"
 crate-type = ["cdylib"]
 
 [dependencies]
-url = "2.5.4"
+url = "2.5.7"
 libc = "0.2"
 
 [profile.release]