WIP: Upgrade to Spring Boot 4.0.0-RC1 and refactor imports for consistency#7867

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JohnNiang wants to merge 2 commits intomainfrom

chore/upgrade-to-spring-boot-4.0.0-rc1

Commits on Oct 25, 2025

Upgrade to Spring Boot 4.0.0-RC1 and refactor imports for consistency
JohnNiang
committed

Commits on Oct 27, 2025

Refactor import statements in HaloErrorConfiguration, ThemeFinderImpl, and ThemeVo for consistency
JohnNiang
committed