chore: bump plugin version to 2.16.0

Author: Blarc

gradle.properties

@@ -3,7 +3,7 @@ pluginGroup = com.github.blarc
 pluginName = AICommits
 pluginRepositoryUrl = https://github.com/Blarc/ai-commits-intellij-plugin
 # SemVer format -> https://semver.org
-pluginVersion = 2.15.0
+pluginVersion = 2.16.0
 
 # https://plugins.jetbrains.com/docs/intellij/build-number-ranges.html
 pluginSinceBuild = 233