chore(deps): update helm release backstage to v1.9.2

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
backstage (source)	helm_release	patch	1.9.1 -> 1.9.2

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Release Notes

backstage/charts (backstage)

### [`v1.9.2`](https://togithub.com/backstage/charts/releases/tag/backstage-1.9.2) [Compare Source](https://togithub.com/backstage/charts/compare/backstage-1.9.1...backstage-1.9.2) A Helm chart for deploying a Backstage application #### What's Changed - chore: update chart readme to recommend helm 3.10 by [@​nickboldt](https://togithub.com/nickboldt) in [https://github.com/backstage/charts/pull/161](https://togithub.com/backstage/charts/pull/161) - fix: update values.yaml schema in [https://github.com/backstage/charts/pull/161](https://togithub.com/backstage/charts/pull/161) #### New Contributors - [@​nickboldt](https://togithub.com/nickboldt) made their first contribution in [https://github.com/backstage/charts/pull/161](https://togithub.com/backstage/charts/pull/161) **Full Changelog**: https://github.com/backstage/charts/compare/backstage-1.9.1...backstage-1.9.2

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