Run of bullseye-backports for davical

Try this locally package):

debcheckout davical
cd davical
DEB_UPDATE_CHANGELOG=auto deb-auto-backport --target-release=bullseye
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 davical-1.1.10/testing/tests/regression-suite/2201-RFC5545-Duration-FreeBusy.result
 davical-1.1.10/testing/tests/regression-suite/2201-RFC5545-Duration-FreeBusy.test
 davical-1.1.10/testing/tests/regression-suite/2202-RFC5545-Duration-CleanUp.result
 davical-1.1.10/testing/tests/regression-suite/2202-RFC5545-Duration-CleanUp.test
 davical-1.1.10/testing/tests/scheduling/Restore-Database.result
 davical-1.1.10/testing/tests/timezone/Restore-Database.result
dpkg-source: error: aborting due to unexpected upstream changes, see /tmp/davical_1.1.10-1~bpo11+1~jan+beb1.diff.UOFKCR
dpkg-source: info: Hint: make sure the version in debian/changelog matches the unpacked source tree
dpkg-source: info: you can integrate the local changes with dpkg-source --commit
E: Failed to package source directory /tmp/janitorw_wjsluy/build-area/davical-1.1.10
brz: ERROR: The build failed.

Full worker log Full build log