chore: Release 4.0.0

[ff-gh-actions-bot]

🤖 I have created a release beep boop

4.0.0 (2026-06-26)

⚠ BREAKING CHANGES

• Update Node.js version to 22 in Dockerfile (#669)
• Run Device Agent in container as unpriviledged user (#565)
• Build Node.Js 22 based container and set it as a default one (#660)

Features

• Add insights support (#668) (a653c29)
• Add JSON logging format (#647) (dcaab80)
• Add support for bearer tokens (#661) (e4c7852)
• Build Node.Js 22 based container and set it as a default one (#660) (329e6aa)
• installer: Set default Node runtime to 22.23.0 (#662) (107d81b)
• Report nodejs version (#657) (44c12a0)
• Run Device Agent in container as unpriviledged user (#565) (5524443)
• Update Node.js version to 22 in Dockerfile (#669) (c4d84f1)

Bug Fixes

• Ensure correct theme name choice for nr5 and legacy versions (#672) (206dfef)
• load FlowFuse editor behavior regardless of theme (#656) (886833b)

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[ff-gh-actions-bot]

🤖 Created releases:

• v4.0.0

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