chore: Bump version to 1.9.0.

Author: Blarc

gradle.properties

@@ -3,7 +3,7 @@ pluginGroup = com.github.blarc
 pluginName = GitlabTemplateLint
 pluginRepositoryUrl = https://github.com/Blarc/gitlab-template-lint-plugin
 # SemVer format -> https://semver.org
-pluginVersion = 1.8.0
+pluginVersion = 1.9.0
 
 # https://plugins.jetbrains.com/docs/intellij/build-number-ranges.html
 pluginSinceBuild = 231