chore(4.5): release 1.8.21

[mo-auto]

:robot: I have created a release beep boop

This release contains breaking changes. Please be aware before updating to this chart that the document store has been enhanced and defaulted to use the database instead of jackrabbit. Users using the jackrabbit solution should be aware and make sure all assets are correctly moved. Please notice config.configmap.gluuDocumentStoreType.

1.8.21 (2023-09-01)

Bug Fixes

• istio: add permissions to create tls-certificate in istio ns (#580) (965a7b3)
• remove ingress.class annotation and add spec.ingressClassName (#567) (ed49422)
• stale request error when having multiple pod replicas (#572) (aa0b30c)

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[mo-auto]

:robot: Release is at https://github.com/GluuFederation/cloud-native-edition/releases/tag/v1.8.21 :sunflower: