feat(trace): add optional sampling behaviour for routes (#2511)

Co-authored-by: Arun Raj M <jarnura47@gmail.com>

crates/storage_impl/src/config.rs

@@ -9,4 +9,5 @@ pub struct Database {
     pub dbname: String,
     pub pool_size: u32,
     pub connection_timeout: u64,
+    pub queue_strategy: bb8::QueueStrategy,
 }

crates/storage_impl/src/database/store.rs

@@ -88,6 +88,7 @@ pub async fn diesel_make_pg_pool(
     let manager = async_bb8_diesel::ConnectionManager::<PgConnection>::new(database_url);
     let mut pool = bb8::Pool::builder()
         .max_size(database.pool_size)
+        .queue_strategy(database.queue_strategy)
         .connection_timeout(std::time::Duration::from_secs(database.connection_timeout));
 
     if test_transaction {