Add SQLx operation tracing (#5223)

* wip: vendor sqlx-tracing

* (compiles) standardize pg types used

* more standardization

* general log message improvements

* wip: improve sqlx-tracing architecture

* unify sqlx::Executor type

* wip: try fix sqlx tracing

* wip: sqlx-tracing compiles

* so close

* it compiles

* fix ci

apps/labrinth/src/database/models/user_limits.rs

@@ -1,5 +1,5 @@
+use crate::database::PgPool;
 use serde::{Deserialize, Serialize};
-use sqlx::PgPool;
 
 use crate::database::models::DBUserId;