Release 2.6.0 (#4472)

- Added: calendar entry title combination for customer, project and activity
- Added: show not_invoiced and not_exported data in detail screens
- Added: force logout if user is disabled
- Added: reduced amount of database queries on several screens
- Fixed: open-close status on work-contract screen for users without configuration
- Fixed: failsafe order/orderBy in query if manually manipulated to be null
- Fixed: unify statistic calculation (not_invoiced and not_exported) across screens
- Tech: bump packages
- Tech: Symfony 6.4

.github/ISSUE_TEMPLATE/config.yml

@@ -8,4 +8,4 @@ contact_links:
       about: Want to discuss something with a community? Do it in discussions!
     - name: Get Professional support
       url: https://www.kimai.org/en/support.html
-      about: As a customer, you will always receive fast and helpful replies from the developer.
+      about: As a customer, you will always receive fast replies from the developer.