chores(deps): migrate pgproto to pgwire=0.19.0

Cargo.lock

Cargo.toml

src/pgproto.rs

src/pgproto/client.rs

src/pgproto/client/auth.rs

src/pgproto/client/extended_query.rs

src/pgproto/client/simple_query.rs

src/pgproto/client/startup.rs

src/pgproto/helpers.rs

src/pgproto/storage/value.rs