Release v0.81.2

Added

• proxy.Config.DNSSECEnabled.

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Original release: https://github.com/AdguardTeam/dnsproxy/releases/tag/v0.81.2

What's Changed

• chore(deps): update alpine docker tag to v3.23.4 by @renovate[bot] in #71
• chore(deps): update softprops/action-gh-release action to v3 by @renovate[bot] in #70

Full Changelog: v0.81.1...v0.81.2