feat: support swagger3

[tangcent]

No description provided.

[codecov-commenter]

Codecov Report

Merging #476 (3cd6163) into master (ae1ca94) will increase coverage by 0.213%.
The diff coverage is 0.000%.

@@               Coverage Diff               @@
##              master      #476       +/-   ##
===============================================
+ Coverage     61.416%   61.629%   +0.213%     
  Complexity      1984      1984               
===============================================
  Files            231       231               
  Lines          10341     10302       -39     
  Branches        2452      2446        -6     
===============================================
- Hits            6351      6349        -2     
+ Misses          2766      2727       -39     
- Partials        1224      1226        +2     

Flag	Coverage Δ
unittests	61.629% <0.000%> (+0.213%)	⬆️

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Impacted Files	Coverage Δ
...idea/plugin/api/export/postman/PostmanFormatter.kt	65.166% <0.000%> (-0.474%)	⬇️
.../itangcent/idea/plugin/dialog/EasyApiSettingGUI.kt	0.000% <0.000%> (ø)
...dea/plugin/dialog/EasyApiSettingRemoteConfigGUI.kt	0.000% <0.000%> (ø)

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