chore(deps): update helm release crossplane to v1.15.1

This MR contains the following updates:

Package	Type	Update	Change
crossplane (source)	HelmChart	patch	1.15.0 -> 1.15.1

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Release Notes

crossplane/crossplane (crossplane)

v1.15.1

Compare Source

What's Changed

• [Backport release-1.15] Ability to replay deletion with Usage spec by @​turkenh in https://github.com/crossplane/crossplane/pull/5466
• [Backport release-1.15] Allow group changes in composed templates by @​github-actions in https://github.com/crossplane/crossplane/pull/5480
• [Backport release-1.15] Bump default max reconcile rate and resource limits by @​turkenh in https://github.com/crossplane/crossplane/pull/5482

Full Changelog: https://github.com/crossplane/crossplane/compare/v1.15.0...v1.15.1

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