Added a minimum task_duration of 60 seconds [skip CI]
Added a minimum task_duration of 60 seconds [skip CI]


Former-commit-id: c45c027040474bceaf7633ffadbe1569f2475fc1 [formerly e6bd0cf0cc408863fbd4332f87d1fc2e1b4b4d06]
Former-commit-id: e1373547a6e4ca08408bf4500bb95612eec83b88
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine