* added fix to work around bc break in new phpword version
* fix phpoffice deprecations
* mark unused option as deprecated
* support for DateTimeInterface and DateTimeImmutable where possible
* use TRUSTED_PROXIES setting - fixes#4533
* re-enable Kimai test in docker test build script (#4541)
* bump dependencies
- improved timesheet calculator with changesets and priority
- calculate and include exported stats (e.g. available in export templates)
- added hourly rate column to timesheet listing
