...after 1fa761af "Ridiculously large delta for
SwarmSolverTest::testUnconstrained for now", to accommodate further Jenkins
lo_ubsan failures with actual values of 3.67055466470122
(<https://ci.libreoffice.org/job/lo_ubsan/741/console>) and 3.88389164367578
(<https://ci.libreoffice.org/job/lo_ubsan/743/console>).

Change-Id: Ibacb25ba82c2c279ef8dcd19c5ce7f6d5d8014d5
Reviewed-on: https://gerrit.libreoffice.org/45520Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
Tested-by: Stephan Bergmann <sbergman@redhat.com>