chore: upgrade oapi-codegen

[kangmingtay]

What kind of change does this PR introduce?

• Use the latest version of oapi-codegen
• Regenerate the go client using oapi-codegen

[coveralls]

Pull Request Test Coverage Report for Build 13064322403

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+0.02%) to 65.6%

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Files with Coverage Reduction	New Missed Lines	%
internal/models/one_time_token.go	2	69.05%

Totals
Change from base Build 13000101158:	0.02%
Covered Lines:	9863
Relevant Lines:	15035

---

💛 - Coveralls

[cstockton]

Looks good to me.