build: Upgrade to Go 1.19 (#1780)

* build: Upgrade to Go 1.19

* chore: Fix generated code comments

Author: kyleconroy

.devcontainer/Dockerfile

@@ -1,5 +1,5 @@
 # [Choice] Go version (use -bullseye variants on local arm64/Apple Silicon): 1, 1.16, 1.17, 1-bullseye, 1.16-bullseye, 1.17-bullseye, 1-buster, 1.16-buster, 1.17-buster
-ARG VARIANT=1.18-bullseye
+ARG VARIANT=1.19-bullseye
 FROM mcr.microsoft.com/vscode/devcontainers/go:0-${VARIANT}
 
 # [Optional] If your requirements rarely change, uncomment this section to add them to the image.

.devcontainer/docker-compose.yml

@@ -6,7 +6,7 @@ services:
       context: ..
       dockerfile: .devcontainer/Dockerfile
       args:
-        VARIANT: 1.18-bullseye
+        VARIANT: 1.19-bullseye
 
     volumes:
       - ..:/workspace:cached

.github/workflows/ci.yml

@@ -34,7 +34,7 @@ jobs:
 
     - uses: actions/setup-go@v3
       with:
-        go-version: '1.18'
+        go-version: '1.19'
 
     - name: install ./...
       run: go install ./...

examples/batch/postgresql/batch.go

@@ -1,6 +1,6 @@
 module github.com/kyleconroy/sqlc
 
-go 1.18
+go 1.19
 
 require (
 	github.com/antlr/antlr4/runtime/Go/antlr v0.0.0-20220626175859-9abda183db8e

go.mod

@@ -193,6 +193,7 @@ import (
 // versions:
 //   sqlc {{.SqlcVersion}}
 // source: {{.SourceName}}
+
 package {{.Package}}
 
 import (