Bump up version to v0.4.0

Author: wata727

CHANGELOG.md

@@ -1,3 +1,21 @@
+## 0.4.0 (2021-04-25)
+
+### Enhancements
+
+- [#101](https://github.com/terraform-linters/tflint-ruleset-aws/pull/101): rule: Add aws_api_gateway_model_invalid_name rule
+- [#107](https://github.com/terraform-linters/tflint-ruleset-aws/pull/107): Bump aws-sdk-go submodule and Terraform provider
+
+### BugFixes
+
+- [#106](https://github.com/terraform-linters/tflint-ruleset-aws/pull/106): rule: Fix gob error when using map attributes in aws_resource_missing_tags rule
+
+### Chores
+
+- [#99](https://github.com/terraform-linters/tflint-ruleset-aws/pull/99): add TFLINT_PLUGIN_DIR option to README
+- [#100](https://github.com/terraform-linters/tflint-ruleset-aws/pull/100): doc: Fix gov_friendly_arns rule naming
+- [#103](https://github.com/terraform-linters/tflint-ruleset-aws/pull/103): Bump actions/cache from v2.1.4 to v2.1.5
+- [#108](https://github.com/terraform-linters/tflint-ruleset-aws/pull/108): Bump github.com/aws/aws-sdk-go from 1.38.19 to 1.38.25
+
 ## 0.3.1 (2021-04-04)
 
 ### Enhancements

project/main.go

@@ -3,7 +3,7 @@ package project
 import "fmt"
 
 // Version is ruleset version
-const Version string = "0.3.1"
+const Version string = "0.4.0"
 
 // ReferenceLink returns the rule reference link
 func ReferenceLink(name string) string {