feat: add OpenAPI 3.0.x experimental parser

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Name	Status	Preview	Comments	Updated (UTC)
hey-api-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 5, 2024 6:17pm

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🦋 Changeset detected

Latest commit: 3e65ae06bcd2823482cf012909388c7630e18229

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

| Name | Type | | ------------------- | ----- | | @hey-api/openapi-ts | Patch |

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[codecov[bot]]

Codecov Report

Attention: Patch coverage is 9.98711% with 1397 lines in your changes missing coverage. Please review.

Project coverage is 68.08%. Comparing base (2819097) to head (3e65ae0). Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
...ages/openapi-ts/src/openApi/3.0.x/parser/schema.ts	6.74%	719 Missing :warning:
...kages/openapi-ts/src/openApi/3.0.x/parser/index.ts	5.90%	207 Missing :warning:
...s/openapi-ts/src/openApi/3.0.x/parser/operation.ts	10.48%	205 Missing :warning:
...s/openapi-ts/src/openApi/3.0.x/parser/parameter.ts	9.72%	167 Missing :warning:
.../openapi-ts/src/openApi/3.0.x/parser/pagination.ts	14.77%	75 Missing :warning:
...s/openapi-ts/src/openApi/3.0.x/parser/mediaType.ts	53.57%	13 Missing :warning:
...es/openapi-ts/src/plugins/@hey-api/types/plugin.ts	59.25%	10 Missing and 1 partial :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1230 +/- ## ========================================== - Coverage 73.19% 68.08% -5.12% ========================================== Files 127 132 +5 Lines 17706 19242 +1536 Branches 1732 1735 +3 ========================================== + Hits 12960 13101 +141 - Misses 4743 6137 +1394 - Partials 3 4 +1 ``` | [Flag](https://app.codecov.io/gh/hey-api/openapi-ts/pull/1230/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=hey-api) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/hey-api/openapi-ts/pull/1230/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=hey-api) | `68.08% <9.98%> (-5.12%)` | :arrow_down: | 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=hey-api#carryforward-flags-in-the-pull-request-comment) to find out more.

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