bump version && changelog to 2.8.0

CHANGELOG.md

@@ -4,6 +4,19 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [2.8.0](https://git.d3data.de/D3Public/GoogleAnalytics4/compare/2.7.0...2.8.0) - 2023-06-23
+### Added
+- Method to get the in order used Payment-Name
+- Method to get the current Article Category
+- Following Entries to dedicated event-templates
+  - coupon
+  - paymentType
+  - item_list_name
+  - item_category
+### Changed
+- all used template-files have a more dedicated name
+- general code cleanup
+
 ## [2.7.0](https://git.d3data.de/D3Public/GoogleAnalytics4/compare/2.6.0...2.7.0) - 2023-06-19
 ### Changed
 - add_to_cart event template-structure