v0.9.0

Added

• Carry over support_group labels from original alert rules.

Changed

• Updated all dependencies to their latest version.

Fixed

• Add missing Kubebuilder annotations.
• Logging during metric expression parsing.
• keep-labels flag parsing.
• Prevent getting stuck during clean up of orphaned absence alert rules when the
  corresponding AbsencePrometheusRule doesn't exist.
• Skip metrics that match against the internal __name__ label and use absent function.

Deprecated

• Support for determining tier label heuristically has been
  deprecated and will be removed in a later version.