Address clippy warnings and add to gh actions · sqlpage/sqlx-oldapi@c64bbfe

The operation was canceled.

no function or associated item named `from_iter` found for struct `PgLTree` in the current scope

The strategy configuration was canceled because "postgres._14_tokio_native-tls" failed

use of deprecated associated function `sqlx_oldapi::types::chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead

tests/postgres/types.rs#L289

use of deprecated associated function `sqlx_oldapi::types::chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead

tests/postgres/types.rs#L577

unexpected `cfg` condition name: `postgres_14`

tests/postgres/types.rs#L569

unexpected `cfg` condition name: `postgres_14`

`sqlx-macros-oldapi` (lib) generated 3 warnings (run `cargo fix --lib -p sqlx-macros-oldapi` to apply 1 suggestion)

sqlx-macros/src/test_attr.rs#L11

enum `MigrationsOpt` is never used

sqlx-macros/src/test_attr.rs#L6

struct `Args` is never constructed

sqlx-macros/src/test_attr.rs#L1

unused import: `Span`