Bump up version to 0.28.0

Author: wata727

.github/ISSUE_TEMPLATE/bug_report.md

@@ -27,8 +27,8 @@ Example:
 
 ```console
 $ tflint -v
-TFLint version 0.27.0
-+ ruleset.aws (0.3.1-bundled)
+TFLint version 0.28.0
++ ruleset.aws (0.4.0-bundled)
 $ terraform -v
 Terraform v0.15.0
 ```

CHANGELOG.md

@@ -1,3 +1,19 @@
+## 0.28.0 (2021-04-25)
+
+### Enhancements
+
+- [#1107](https://github.com/terraform-linters/tflint/pull/1107): Bump bundled AWS ruleset plugin ([@wata727](https://github.com/wata727))
+
+### BugFixes
+
+- [#1105](https://github.com/terraform-linters/tflint/pull/1105): Fix crash when passed --enable-rule with a configured rule ([@wata727](https://github.com/wata727))
+- [#1106](https://github.com/terraform-linters/tflint/pull/1106): Fix crash when passed --only with a configured rule ([@wata727](https://github.com/wata727))
+
+### Chores
+
+- [#1100](https://github.com/terraform-linters/tflint/pull/1100): build(deps): Bump actions/cache from v2.1.4 to v2.1.5
+- [#1104](https://github.com/terraform-linters/tflint/pull/1104): add integration test for map[string]string attr ([@bendrucker](https://github.com/bendrucker))
+
 ## 0.27.0 (2021-04-18)
 
 This release adds support for Terraform v0.15. We strongly recommend that you update to Terraform v0.15 before updating TFLint to this version. See the [upgrade guide](https://www.terraform.io/upgrade-guides/0-15.html) for details.

tflint/meta.go

@@ -3,7 +3,7 @@ package tflint
 import "fmt"
 
 // Version is application version
-const Version string = "0.27.0"
+const Version string = "0.28.0"
 
 // ReferenceLink returns the rule reference link
 func ReferenceLink(name string) string {