v0.15.0

What's Changed

• fix Kamaji OOM by @kvaps in #340
• Talos Linux: Update firmwares and add metal image by @kvaps in #341
• Add opencost by @kvaps in #255
• bugfix/strimzi-kafka-operator-fix-cluster-dns by @klinch0 in #347
• Fix backups by @kvaps in #342
• Update kafka-operator and disable network policy generation by @kvaps in #348
• Prepare release v0.15.0 by @kvaps in #349

Full Changelog: v0.14.1...v0.15.0