See how Boundary would look with gofumpt applied (#853)

* See how Boundary would look with https://github.com/mvdan/gofumpt applied

Results of running `gofumpt -w -s .`

* Update tools file and Makefile for gofumpt

Co-authored-by: Jeff Mitchell <jeffrey.mitchell@gmail.com>

internal/servers/controller/handlers/authmethods/authmethod_service_test.go

@@ -738,7 +738,8 @@ func TestUpdate(t *testing.T) {
 					Id:          password.AuthMethodPrefix + "_somethinge",
 					Name:        &wrapperspb.StringValue{Value: "new"},
 					Description: &wrapperspb.StringValue{Value: "new desc"},
-				}},
+				},
+			},
 			res: nil,
 			err: handlers.ApiErrorWithCode(codes.InvalidArgument),
 		},