Update dependency koa to v3

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
koa (source)	^2.5.2 → ^3.0.0
@types/koa (source)	^2.13.5 → ^3.0.0

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Release Notes

koajs/koa (koa)

v3.1.1

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What's Changed

• fix: only original value destroy if the new value is not a stream by @​yowainwright in #​1914

Full Changelog: koajs/koa@v3.1.0...v3.1.1

v3.1.0

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fixes

• [2ee32f5] - fix: pin debug@~3.1.0 avoid deprecated warnning (#​1245) (fengmk2 <<fengmk2@​gmail.com>>)

others

• [2180839] - docs: Update koa-vs-express.md (#​1230) (Clayton Ray <iamclaytonray@gmail.com>)

v3.0.3

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What's Changed

• fix: normalize referer before redirect by @​fengmk2 in #​1908

Full Changelog: koajs/koa@v3.0.2...v3.0.3

v3.0.2

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What's Changed

• fix: fixes response.attachment behaviour leads to Content-Type Sniffing by @​yowainwright in #​1904
• chore: use NPM trusted publishing with semver tag triggers by @​Copilot in #​1907

New Contributors

• @​Copilot made their first contribution in #​1907

Full Changelog: koajs/koa@v3.0.1...v3.0.2

v3.0.1

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What's Changed

• fix(security): only allow same origin referer on response back 422c551
• chore: adds initial doc text refresh; migration guide [CHORE-1870] by @​yowainwright in #​1877
• build(deps-dev): bump formidable from 3.5.2 to 3.5.4 by @​dependabot[bot] in #​1878
• chore: removes done callbacks in tests [CHORE-1870] by @​yowainwright in #​1875
• build(deps-dev): bump supertest from 7.1.0 to 7.1.1 by @​dependabot[bot] in #​1879
• build(deps): bump debug from 4.4.0 to 4.4.1 by @​dependabot[bot] in #​1880
• feat: replace debug module with pure node:util::debuglog by @​3imed-jaberi in #​1885
• feat: replace cache-content-type with mime-types directly by @​3imed-jaberi in #​1886
• build(deps): bump statuses from 2.0.1 to 2.0.2 by @​dependabot[bot] in #​1888
• build(deps-dev): bump supertest from 7.1.1 to 7.1.4 by @​dependabot[bot] in #​1895
• build(deps-dev): bump form-data from 4.0.3 to 4.0.4 by @​dependabot[bot] in #​1894

Full Changelog: koajs/koa@v3.0.0...v3.0.1

v3.0.0

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==================

fixes

• Avoid redos on host and protocol getter

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