chore: bump kin-openapi to v0.124 and fix break codes

[Peefy]

1. Does this PR affect any open issues?(Y/N) and add issue references (e.g. "fix #123", "re #123".):

• [x] N

• [ ] Y

• chore: bump kin-openapi to v0.124 and fix break codes

2. What is the scope of this PR (e.g. component or file name):

• go.mod
• go.sum
• pkg/tools/gen/genopenapi.go

3. Provide a description of the PR(e.g. more details, effects, motivations or doc link):

• [ ] Affects user behaviors
• [ ] Contains syntax changes
• [ ] Contains variable changes
• [ ] Contains experimental features
• [ ] Performance regression: Consumes more CPU
• [ ] Performance regression: Consumes more Memory
• [x] Other

4. Are there any breaking changes?(Y/N) and describe the breaking changes(e.g. more details, motivations or doc link):

• [x] N
• [ ] Y

5. Are there test cases for these changes?(Y/N) select and add more details, references or doc links:

• [ ] Unit test
• [ ] Integration test
• [ ] Benchmark (add benchmark stats below)
• [ ] Manual test (add detailed scripts or steps below)
• [x] Other

[coveralls]

Pull Request Test Coverage Report for Build 8595489053

Details

• 2 of 2 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.008%) to 61.615%

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Totals
Change from base Build 8595355623:	0.008%
Covered Lines:	3175
Relevant Lines:	5153

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💛 - Coveralls