chore(main): release 0.81.0

[bpg-autobot]

🤖 I have created a release beep boop

0.81.0 (2025-08-01)

Features

• firewall: adds forward type to firewall rules (#2052) (e185201)
• firewall: adds forward_policy to cluster firewall (#2064) (209d10c)
• sdn: add support for zone resources and datasources (#2046) (6b73d82)

Bug Fixes

• acme: fix ACME account management & add acceptance tests (#2072) (3f5b795)
• example: update ubuntu LXC image ref (#2070) (ce66bfd)
• vm,lxc: 32bit int overflow in list nodes / containers API calls when running on i386 arch (#2057) (47ff578)

Miscellaneous

• deps: update golangci/golangci-lint (v2.2.2 → v2.3.0) (#2056) (092edf2)
• deps: update image golang (14fd8a5 → ef5b4be) (#2061) (4da593d)
• deps: update module github.com/hashicorp/terraform-plugin-framework (v1.15.0 → v1.15.1) (#2073) (4be9e93)
• docs: add ceph squid to apt_standard_repository docs (#2063) (5c33941)
• example: apply consistency in example/*.tf node_name declarations (#2051) (757b191)
• project: switch repo infographic to repobeats (#2058) (bbd55d2)

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[bpg-autobot]

🤖 Created releases:

• v0.81.0

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