Release v2.9.0

What's Changed

• feat: add default network policy if team network policies are disabled by @j-zimnowoda in #1540
• feat: continue installation on k8s versions compatibility warning by @j-zimnowoda in #1538
• feat: update velero cli by @Ani1357 in #1544
• fix: exclude argocd namespace by @j-zimnowoda in #1547
• feat: add support for k8s 1.28 by @ferruhcihan in #1546
• fix: update paketo builder image by @merll in #1548
• feat: always enable argocd app by @j-zimnowoda in #1555
• feat: migrate secrets from Hashicorp Vault to SealedSecrets by @ferruhcihan

Full Changelog: v2.8.0...v2.9.0