Bumps csproj Version, repo.json AssemblyVersion/TestingAssemblyVersion
plus the three DownloadLink* URLs, yaml + repo.json changelog blocks
(slim-rule: v1.5.2 + v1.5.1 + v1.5.0 + v1.4.10 retained, v1.4.9
trimmed to the Full history footer link), docs CHANGELOG long-form
block, ROADMAP v1.5.2 marked complete and v1.5.3 set as next cycle
(FR localisation with Hezcal native-speaker review), README status
strings plus moved pre-v1.5.2 history. Changelog includes the
in-cycle UI shrink + Fox-Banner-TreeNode smoke fix and the
WizardLastShownVersion re-show-once mechanism for existing users.