Upgrade to Go 1.19 (#9)

Author: kamal-github

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.16 AS builder
+FROM golang:1.19 AS builder
 
 ARG VERSION=dev
 ARG USER=outbox

go.mod

@@ -1,6 +1,6 @@
 module github.com/kamal-github/outbox
 
-go 1.16
+go 1.19
 
 require (
 	github.com/DATA-DOG/go-sqlmock v1.5.0
@@ -14,3 +14,13 @@ require (
 	github.com/stretchr/testify v1.7.0
 	go.uber.org/zap v1.16.0
 )
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/google/uuid v1.2.0 // indirect
+	github.com/jmespath/go-jmespath v0.4.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	go.uber.org/atomic v1.6.0 // indirect
+	go.uber.org/multierr v1.5.0 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect
+)