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/docker.yml

@@ -28,11 +28,9 @@ body:
                     - Docker compose version: [e.g. 1.21.0]
                     
                 Docker compose file:
-                ```yaml
-                version: '3.5'
-                services:
-                    image: ...
-                ```
+                    version: '3.5'
+                    services:
+                        image: ...
         validations:
             required: true
     -   type: input