chore: upgrade gofumpt to v0.3.1 (#2028)

go.mod

@@ -79,7 +79,7 @@ require (
 	google.golang.org/protobuf v1.27.1
 	gorm.io/driver/postgres v1.2.2
 	gorm.io/gorm v1.22.3
-	mvdan.cc/gofumpt v0.2.0
+	mvdan.cc/gofumpt v0.3.1
 	nhooyr.io/websocket v1.8.7
 )
 
@@ -178,6 +178,7 @@ require (
 	golang.org/x/mod v0.6.0-dev.0.20220106191415-9b9b3d81d5e3 // indirect
 	golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd // indirect
 	golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8 // indirect
+	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
 	golang.org/x/text v0.3.7 // indirect
 	golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e // indirect
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect