KubeBlocks v0.9.2-beta.7

What's Changed

• docs: sync upgrade guide by @michelle-0808 in #8300
• docs: sync upgrade guide by @michelle-0808 in #8302
• chore: fix delete backup hang by @wangyelei in #8321
• fix: cluster is running without role check by @wangyelei in #8323
• fix: endless affinity list when there's a DataPlaneAffinity by @cjc7373 in #8138
• fix: replicas of the backup's sts is 0 by @wangyelei in #8336

Full Changelog: v0.9.2-beta.6...v0.9.2-beta.7