lowering threshold for PRs for a one-time refactor/split

[davidporter-id-au]

What changed?

This lowers the new diff coverage threshold to 0 for the sake of a refactor/split: #5990. This will be reverted after

Why?

How did you test it?

Potential risks

Release notes

Documentation Changes

[coveralls]

Pull Request Test Coverage Report for Build 018f5bb2-a0d5-4235-ad9a-e4a6594c4ca6

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 57 unchanged lines in 13 files lost coverage.
• Overall coverage increased (+0.003%) to 68.694%

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Files with Coverage Reduction	New Missed Lines	%
service/history/queue/timer_queue_processor_base.go	1	77.66%
service/matching/taskReader.go	2	84.88%
common/persistence/execution_manager.go	2	83.74%
service/history/task/transfer_active_task_executor.go	2	72.9%
service/history/execution/mutable_state_builder.go	2	71.29%
common/persistence/statsComputer.go	2	96.07%
common/persistence/historyManager.go	2	66.67%
service/history/task/task.go	3	84.81%
service/history/task/timer_active_task_executor.go	3	79.33%
common/asyncworkflow/queue/consumer/default_consumer.go	3	92.13%

Totals
Change from base Build 018f5aff-b7c8-4ac8-9e0c-a14d52f0ae0a:	0.003%
Covered Lines:	100919
Relevant Lines:	146911

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💛 - Coveralls