Adding go toolchain directive (#384)

bendbennett · web-flow · commit 720b6484af9a · 2024-03-05T11:25:04.000Z
diff --git a/go.mod b/go.mod
@@ -2,6 +2,8 @@ module github.com/hashicorp/terraform-plugin-go
 
 go 1.21
 
+toolchain go1.21.6
+
 require (
 	github.com/google/go-cmp v0.6.0
 	github.com/hashicorp/go-hclog v1.5.0
