drop dependency on jdcal
Unit tests will fail for this MR alone, but succeed together with the millisecond rounding from !391 (closed)
--HG-- branch : 3.0
This instance will be upgraded to Heptapod 1.3.3 (GitLab 16.9.6) on 2023-04-25 at 18:00 UTC+2
Unit tests will fail for this MR alone, but succeed together with the millisecond rounding from !391 (closed)
--HG-- branch : 3.0