GET https://arnold.scilifelab.se/api/v1/trends/nr_samples?&year=2022&group=customer shows data from the future

[elevu]

GET https://arnold.scilifelab.se/api/v1/trends/nr_samples?&year=2022&group=customer
returns data of samples received for cust0 and cust124 in December 2022

@annaengstrom reported the bug