v1.13.0

Features:

• Add opt-in GraphQL error extensions (#478) by LukeFrandsen

Bug Fixes:

• manual relationship pagination, unrelated aggregate types, and depth_limit by @zachdaniel

• set offset: 0 when doing offset pagination to ensure we get offset page back by @zachdaniel

• render Ash.Error.Query.InvalidFilterValue with a code (#477) by grempe