fix(deps): update module github.com/cucumber/godog to v0.15.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
github.com/cucumber/godog	v0.14.1 -> v0.15.0

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Release Notes

cucumber/godog (github.com/cucumber/godog)

v0.15.0

Compare Source

Added

• Improved the type checking of step return types and improved the error messages - (647 - johnlon)
• Ambiguous step definitions will now be detected when strict mode is activated - (636/(648 - johnlon)
• Provide support for attachments / embeddings including a new example in the examples dir - (623 - johnlon)

Changed

• Formatters now have a Close method and associated io.Writer changed to io.WriteCloser.

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Configuration

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Go API Changes

# summary
Inferred base version: v0.15.0
Suggested version: v0.15.1