Fix lints for Rust 1.63 (#3459)

## Issue Addressed

N/A

## Proposed Changes

Fix clippy lints for latest rust version 1.63. I have allowed the [derive_partial_eq_without_eq](https://rust-lang.github.io/rust-clippy/master/index.html#derive_partial_eq_without_eq) lint as satisfying this lint would result in more code that we might not want and I feel it's not required. 

Happy to fix this lint across lighthouse if required though.

common/sensitive_url/src/lib.rs

@@ -46,7 +46,7 @@ impl Serialize for SensitiveUrl {
     where
         S: Serializer,
     {
-        serializer.serialize_str(&self.full.to_string())
+        serializer.serialize_str(self.full.as_ref())
     }
 }