Add hcal digits monitoring

Add monitoring of HCAL digits to monitor_calo_digits.

added Calo Monitoring labels

assigned to @rmatev

added lhcb-head label

• [2021-10-28 00:22] Validation started with lhcb-head#3089
• [2021-10-28 00:57] Validation started with lhcb-head#3089
• [2021-10-28 01:30] Validation started with lhcb-head#3089

added 1 commit

• 61e8db62 - Update refs from lhcb-head/3089

Compare with previous version

added needs ref update label

approved this merge request

merged

mentioned in commit f3079d0a

added new feature label