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

[openstack-k8s-ci-robot]

This PR contains the following updates:

Package	Type	Update	Change
github.com/onsi/ginkgo/v2	require	minor	v2.14.0 -> v2.15.0

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Release Notes

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

v2.15.0

Compare Source

2.15.0

Features

• JUnit reports now interpret Label(owner:X) and set owner to X. [8f3bd70]
• include cancellation reason when cancelling spec context [96e915c]

Fixes

• emit output of failed go tool cover invocation so users can try to debug things for themselves [c245d09]
• fix outline when using nodot in ginkgo v2 [dca77c8]
• Document areas where GinkgoT() behaves differently from testing.T [dbaf18f]
• bugfix(docs): use Unsetenv instead of Clearenv (#​1337) [6f67a14]

Maintenance

• Bump to go 1.20 [4fcd0b3]

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This PR has been generated by Renovate Bot.

[Akrog]

/retest

[Akrog]

/lgtm

[openshift-ci]

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