feat(Application): SpringBoot 3 upgrade#311

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hirokiterashima wants to merge 7 commits intodevelopfrom

spring-boot-3-upgrade

Commits on Dec 11, 2025

Upgrade to SpringBoot 3.2
hirokiterashima
committed

Commits on Dec 12, 2025

Commits on Dec 15, 2025

Google OAuth2 login now working
hirokiterashima
committed

Commits on Dec 17, 2025

Fixed issue creating accounts
hirokiterashima
committed

Commits on Dec 19, 2025