Optimize the ISSUE template and the automatic closing logic of outdated PRs and ISSUEs

[luanwenfei-venus]

【Fix issue】#1337

[Modification content] 1. Modified the configuration of ISSUE PR automatic shutdown 2. Added feature template 3. Modified the description of enhance template

[Use case description] Not involved

[Self-test situation] Not involved

[Scope of influence] Not involved

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (317d2ea) 42.29% compared to head (1790d60) 42.23%.
Report is 6 commits behind head on develop.

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #1338      +/-   ##
=============================================
- Coverage      42.29%   42.23%   -0.07%     
+ Complexity      3275     3270       -5     
=============================================
  Files            823      823              
  Lines          18303    18303              
  Branches        2014     2017       +3     
=============================================
- Hits            7742     7731      -11     
- Misses          9590     9599       +9     
- Partials         971      973       +2     

Flag	Coverage Δ
unittests	42.23% <ø> (-0.07%)	⬇️

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see 21 files with indirect coverage changes

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