Update module github.com/onsi/ginkgo/v2 to v2.15.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
github.com/onsi/ginkgo/v2	v2.14.0 -> v2.15.0

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Release Notes

onsi/ginkgo (github.com/onsi/ginkgo/v2)

### [`v2.15.0`](https://togithub.com/onsi/ginkgo/releases/tag/v2.15.0) [Compare Source](https://togithub.com/onsi/ginkgo/compare/v2.14.0...v2.15.0) #### 2.15.0 ##### Features - JUnit reports now interpret Label(owner:X) and set owner to X. \[[`8f3bd70`](https://togithub.com/onsi/ginkgo/commit/8f3bd70)] - include cancellation reason when cancelling spec context \[[`96e915c`](https://togithub.com/onsi/ginkgo/commit/96e915c)] ##### Fixes - emit output of failed go tool cover invocation so users can try to debug things for themselves \[[`c245d09`](https://togithub.com/onsi/ginkgo/commit/c245d09)] - fix outline when using nodot in ginkgo v2 \[[`dca77c8`](https://togithub.com/onsi/ginkgo/commit/dca77c8)] - Document areas where GinkgoT() behaves differently from testing.T \[[`dbaf18f`](https://togithub.com/onsi/ginkgo/commit/dbaf18f)] - bugfix(docs): use Unsetenv instead of Clearenv ([#​1337](https://togithub.com/onsi/ginkgo/issues/1337)) \[[`6f67a14`](https://togithub.com/onsi/ginkgo/commit/6f67a14)] ##### Maintenance - Bump to go 1.20 \[[`4fcd0b3`](https://togithub.com/onsi/ginkgo/commit/4fcd0b3)]

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