docs(changeset): Breaking: connection() step now accepts configurat…

…ion object in place of 2nd

argument onwards.

Feature: `edgeDataPlan` can be specified as part of this configuration object,
allowing you to associate edge data with your connection edges.

Feature: `ConnectionStep` and `EdgeStep` gain `get()` methods, so
`*Connection.edges`, `*Connection.nodes`, `*Connection.pageInfo`, `*Edge.node`
and `*Edge.cursor` no longer need plans to be defined.

.changeset/fluffy-suits-tease.md

@@ -0,0 +1,15 @@
+---
+"graphile-build-pg": patch
+"postgraphile": patch
+"grafast": patch
+---
+
+Breaking: `connection()` step now accepts configuration object in place of 2nd
+argument onwards.
+
+Feature: `edgeDataPlan` can be specified as part of this configuration object,
+allowing you to associate edge data with your connection edges.
+
+Feature: `ConnectionStep` and `EdgeStep` gain `get()` methods, so
+`*Connection.edges`, `*Connection.nodes`, `*Connection.pageInfo`, `*Edge.node`
+and `*Edge.cursor` no longer need plans to be defined.