Update module github.com/labstack/echo/v4 to v4.11.4 (#25)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Update module github.com/labstack/echo/v4 to v4.11.4 (#25)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Fix breaking changes recently committed (#20)

Pull request #19 introduced
an extra parameter into a widely used function, which would break existing
generated code with the next release.

Restore the previous function to its old signature, and add a new one
which takes additional options in an options structure.

Co-authored-by: marcinromaszewicz <[email protected]>

Merge pull request #1 from oapi-codegen/feature/iris

Add support for Iris' strict handler