Update Go to v1.22

Author: minamijoyo

.go-version

@@ -1 +1 @@
-1.19
+1.22

Dockerfile

@@ -1,7 +1,7 @@
 ARG TERRAFORM_VERSION=latest
 FROM hashicorp/terraform:$TERRAFORM_VERSION AS terraform
 
-FROM golang:1.19-alpine3.17
+FROM golang:1.22-alpine3.20
 RUN apk --no-cache add make git bash curl jq
 
 # A workaround for a permission issue of git.

README.md

@@ -332,7 +332,7 @@ https://github.com/minamijoyo/tfedit/releases
 
 ### Source
 
-If you have Go 1.19+ development environment:
+If you have Go 1.22+ development environment:
 
 ```
 $ go install github.com/minamijoyo/tfedit@latest

go.mod

@@ -1,6 +1,6 @@
 module github.com/minamijoyo/tfedit
 
-go 1.19
+go 1.22
 
 require (
 	github.com/davecgh/go-spew v1.1.1