imporve the bug_report issue template

[coveralls]

Pull Request Test Coverage Report for Build 9156002350

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 25 unchanged lines in 9 files lost coverage.
• Overall coverage decreased (-0.04%) to 66.798%

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Files with Coverage Reduction	New Missed Lines	%
com/baidu/bifromq/mqtt/handler/MQTTMessageHandler.java	1	88.89%
com/baidu/bifromq/basecrdt/core/internal/CausalCRDTInflater.java	1	92.67%
com/baidu/bifromq/basecluster/fd/FailureDetector.java	2	88.49%
com/baidu/bifromq/basekv/raft/RaftNode.java	2	82.37%
com/baidu/bifromq/basekv/client/scheduler/BatchQueryCall.java	2	71.76%
com/baidu/bifromq/basehlc/HLC.java	3	67.74%
com/baidu/bifromq/basecluster/memberlist/AutoDropper.java	4	81.2%
com/baidu/bifromq/inbox/server/scheduler/BatchInsertCall.java	4	75.0%
com/baidu/bifromq/basekv/store/range/KVRangeFSM.java	6	76.85%
<!--	Total:	25		-->

Totals
Change from base Build 9124656962:	-0.04%
Covered Lines:	21155
Relevant Lines:	30823

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💛 - Coveralls