[ISSUE #6180] Polish the issue_template

[RongtongJin]

Make sure set the target branch to develop

What is the purpose of the change

fix #6180

Brief changelog

XX

Verifying this change

XXXX

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[codecov-commenter]

Codecov Report

Merging #6181 (3312b5a) into develop (7cfffe7) will increase coverage by 0.04%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##             develop    #6181      +/-   ##
=============================================
+ Coverage      43.18%   43.23%   +0.04%     
- Complexity      8852     8857       +5     
=============================================
  Files           1094     1094              
  Lines          77153    77153              
  Branches       10063    10063              
=============================================
+ Hits           33321    33359      +38     
+ Misses         39665    39626      -39     
- Partials        4167     4168       +1     

Impacted Files	Coverage Δ
...va/org/apache/rocketmq/store/FlushDiskWatcher.java	81.25% <0.00%> (-9.38%)	⬇️
...org/apache/rocketmq/store/ha/WaitNotifyObject.java	80.35% <0.00%> (-5.36%)	⬇️
...ketmq/proxy/grpc/v2/channel/GrpcClientChannel.java	49.07% <0.00%> (-2.78%)	⬇️
...he/rocketmq/client/trace/AsyncTraceDispatcher.java	82.21% <0.00%> (-2.41%)	⬇️
...a/org/apache/rocketmq/store/StoreStatsService.java	33.42% <0.00%> (-1.66%)	⬇️
.../rocketmq/broker/filter/ConsumerFilterManager.java	72.19% <0.00%> (-0.90%)	⬇️
...che/rocketmq/acl/plain/PlainPermissionManager.java	78.22% <0.00%> (-0.54%)	⬇️
...mq/client/impl/producer/DefaultMQProducerImpl.java	46.22% <0.00%> (-0.25%)	⬇️
...main/java/org/apache/rocketmq/store/CommitLog.java	65.13% <0.00%> (-0.11%)	⬇️
...ava/org/apache/rocketmq/filter/util/BitsArray.java	59.82% <0.00%> (ø)
... and 13 more

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[mxsm]

LGTM~

[Oliverwqcwrw]

LGTM