backstage release v2.91.1

Fixed

• (agent-platform) Identity picker for the preselected provider line by @teemow — In the Create cluster dialog, the cloud identity field lists the installation’s AWS identities when the AWS provider line is preselected, instead of offering a free text field.

Development and CI/CD

• (deps) Update tanstack-query monorepo to v5.104.0 by @renovate[bot]
• (deps) Update dependency @ai-sdk/openai-compatible to v3.0.53 by @renovate[bot]
• (deps) Update dependency tsx to v4.23.15 by @renovate[bot]
• (deps) Update @giantswarm/k8s-types to v0.10.0 by @teemow

Full Changelog: https://github.com/giantswarm/backstage/compare/v2.91.0...v2.91.1