common: fix clippy lints
@@ -37,7 +37,7 @@ where
/// key was inserted first)
pub fn set_cached<T>(
_cache_pool: &VolatileLruCachePool,
- _cache_key: &String,
+ _cache_key: &str,
_entry: &T,
_ttl: Option<Duration>,
) -> Result<bool>
