Changelog for Asset Modeller 26.8.0

Breaking Changes

• BREAKING: Asset Modeller now requires Elixir ~> 1.19 and Erlang/OTP 28

Changes

• Upgrade to Elixir 1.19 and OTP 28 (PR, #7699)
• Upgrade liveview to v 1.1.28 (PR, #7700)