feat: implement fetch jwk

[shiki-tak]

Description

closes: #XXXX

Motivation and context

How has this been tested?

Screenshots (if appropriate):

Checklist:

• [ ] I followed the contributing guidelines and code of conduct.
• [ ] I have added a relevant changelog to CHANGELOG.md
• [ ] I have added tests to cover my changes.
• [ ] I have updated the documentation accordingly.
• [ ] I have updated API documentation client/docs/swagger-ui/swagger.yaml

[codecov[bot]]

Codecov Report

Attention: 58 lines in your changes are missing coverage. Please review.

:exclamation: No coverage uploaded for pull request base (feat/zkauth@1132e10). Click here to learn what that means.

Additional details and impacted files

[](https://app.codecov.io/gh/Finschia/finschia-sdk/pull/1240?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Finschia) ```diff @@ Coverage Diff @@ ## feat/zkauth #1240 +/- ## ============================================== Coverage ? 69.74% ============================================== Files ? 654 Lines ? 67761 Branches ? 0 ============================================== Hits ? 47260 Misses ? 18294 Partials ? 2207 ``` | [Files](https://app.codecov.io/gh/Finschia/finschia-sdk/pull/1240?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Finschia) | Coverage Δ | | |---|---|---| | [x/zkauth/testutil/keeper.go](https://app.codecov.io/gh/Finschia/finschia-sdk/pull/1240?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Finschia#diff-eC96a2F1dGgvdGVzdHV0aWwva2VlcGVyLmdv) | `100.00% <ø> (ø)` | | | [x/zkauth/types/codec.go](https://app.codecov.io/gh/Finschia/finschia-sdk/pull/1240?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Finschia#diff-eC96a2F1dGgvdHlwZXMvY29kZWMuZ28=) | `70.58% <80.00%> (ø)` | | | [x/zkauth/types/config.go](https://app.codecov.io/gh/Finschia/finschia-sdk/pull/1240?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Finschia#diff-eC96a2F1dGgvdHlwZXMvY29uZmlnLmdv) | `0.00% <0.00%> (ø)` | | | [x/zkauth/types/msgs.go](https://app.codecov.io/gh/Finschia/finschia-sdk/pull/1240?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Finschia#diff-eC96a2F1dGgvdHlwZXMvbXNncy5nbw==) | `0.00% <0.00%> (ø)` | | | [x/zkauth/keeper/keeper.go](https://app.codecov.io/gh/Finschia/finschia-sdk/pull/1240?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Finschia#diff-eC96a2F1dGgva2VlcGVyL2tlZXBlci5nbw==) | `59.15% <54.68%> (ø)` | |

[sonarcloud[bot]]

Quality Gate failed

Failed conditions
18.5% Duplication on New Code (required ≤ 3%)

See analysis details on SonarCloud