Add changelog entry.

paddycarver · paddycarver · commit 10e0034f2e31 · 2021-12-07T12:23:25.000-08:00
diff --git a/.changelog/231.txt b/.changelog/231.txt
@@ -0,0 +1,3 @@
+```release-note:breaking-change
+The `ToTerraformValue` method of the `attr.Value` interface now returns a `tftypes.Value`, instead of an `interface{}`. Existing types need to be updated to call `tftypes.NewValue`, passing the value they were returning before, instead of returning the value directly.
+```

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	+```release-note:breaking-change
	`2`	+The `ToTerraformValue` method of the `attr.Value` interface now returns a `tftypes.Value`, instead of an `interface{}`. Existing types need to be updated to call `tftypes.NewValue`, passing the value they were returning before, instead of returning the value directly.
	`3`	+```