Update module github.com/labstack/echo/v4 to v4.9.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
github.com/labstack/echo/v4	require	patch	v4.9.0 -> v4.9.1

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Release Notes

labstack/echo

### [`v4.9.1`](https://togithub.com/labstack/echo/blob/HEAD/CHANGELOG.md#v491---2022-10-12) [Compare Source](https://togithub.com/labstack/echo/compare/v4.9.0...v4.9.1) **Fixes** - Fix logger panicing (when template is set to empty) by bumping dependency version [#​2295](https://togithub.com/labstack/echo/issues/2295) **Enhancements** - Improve CORS documentation [#​2272](https://togithub.com/labstack/echo/pull/2272) - Update readme about supported Go versions [#​2291](https://togithub.com/labstack/echo/pull/2291) - Tests: improve error handling on closing body [#​2254](https://togithub.com/labstack/echo/pull/2254) - Tests: refactor some of the assertions in tests [#​2275](https://togithub.com/labstack/echo/pull/2275) - Tests: refactor assertions [#​2301](https://togithub.com/labstack/echo/pull/2301)

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