Release v0.87.0

What's Changed

• [CLD-7878]Remove unnecessary go routines + improve deletion process for utilities by @andrleite in #1057
• Improve argocd provisioning resilience by @andrleite in #1058
• Add external cluster importing by @gabrieljackson in #1059
• [CLD-7978]Add check to custom utility file to prevent override by @andrleite in #1060
• Use argocd to manage utilities for e2e-cluster by @andrleite in #1061
• Log when webhook header values are empty by @gabrieljackson in #1062
• Remove prometheus-operator from cluster e2e by @andrleite in #1063
• Add VPC claiming for external cluster types by @gabrieljackson in #1064
• bump nginx and nginx-internal by @stafot in #1065
• Update Go modules and Mattermost Operator to v1.22.0 by @gabrieljackson in #1066
• Add VPC cluster type tag check by @gabrieljackson in #1067
• PGBouncer provisioning improvements by @gabrieljackson in #1068
• Add cluster names by @gabrieljackson in #1069
• Handle missing VPC ID on initial provision by @gabrieljackson in #1070
• Add Mattermost debug data gathering by @gabrieljackson in #1071
• Add second key to thanos-objstore-config in order to unify secrets but be BC at the same time keeping the old one by @stafot in #1072
• Fix typo in the certificate name by @andrleite in #1074
• Remove deprecated server flags by @gabrieljackson in #1073

Full Changelog: v0.86.0...v0.87.0