Bump up version to v0.4.0

Author: wata727

CHANGELOG.md

@@ -1,3 +1,21 @@
+## 0.4.0 (2021-01-04)
+
+The minimum supported version of TFLint has changed in this version. TFLint v0.23.0+ is required for this plugin to work.
+
+### Breaking Changes
+
+- [#65](https://github.com/terraform-linters/tflint-ruleset-google/pull/65): Bump tflint-plugin-sdk to v0.7.0
+
+### Enhancements
+
+- [#64](https://github.com/terraform-linters/tflint-ruleset-google/pull/64): Update Magic Modules
+
+### Chores
+
+- [#59](https://github.com/terraform-linters/tflint-ruleset-google/pull/59): Bump github.com/google/go-cmp from 0.5.3 to 0.5.4
+- [#62](https://github.com/terraform-linters/tflint-ruleset-google/pull/62): Bump github.com/hashicorp/hcl/v2 from 2.7.1 to 2.8.1
+- [#63](https://github.com/terraform-linters/tflint-ruleset-google/pull/63): Bump github.com/hashicorp/terraform-plugin-sdk/v2 from 2.3.0 to 2.4.0
+
 ## 0.3.0 (2020-11-24)
 
 The minimum supported version of TFLint has changed in this version. TFLint v0.21.0+ is required for this plugin to work.

project/main.go

@@ -3,7 +3,7 @@ package project
 import "fmt"
 
 // Version is ruleset version
-const Version string = "0.3.0"
+const Version string = "0.4.0"
 
 // ReferenceLink returns the rule reference link
 func ReferenceLink(name string) string {