chore: relinted, updated

[fredbi]

• updated go version to go1.19
• updated linting rules
• updated dependencies, upgraded yaml.v2 to yaml.v3
• relinted code
• doc: updated links and badges in README
• ci: updated github actions

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (b2d5112) 90.73% compared to head (c315930) 90.73%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #162 +/- ## ========================================== - Coverage 90.73% 90.73% -0.01% ========================================== Files 22 22 Lines 2980 2978 -2 ========================================== - Hits 2704 2702 -2 Misses 224 224 Partials 52 52 ``` | [Flag](https://app.codecov.io/gh/go-openapi/validate/pull/162/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=go-openapi) | Coverage Δ | | |---|---|---| | [oldstable](https://app.codecov.io/gh/go-openapi/validate/pull/162/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=go-openapi) | `90.73% <100.00%> (?)` | | | [stable](https://app.codecov.io/gh/go-openapi/validate/pull/162/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=go-openapi) | `90.73% <100.00%> (?)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=go-openapi#carryforward-flags-in-the-pull-request-comment) to find out more.

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