deps: update dependency org.springframework.boot:spring-boot to v3.4.2#1897

gcf-merge-on-green[bot] merged 1 commit intogoogleapis:maingoogleapis/java-spanner-jdbc:mainfrom

renovate-bot:renovate/org.springframework.boot-spring-boot-3.xrenovate-bot/java-spanner-jdbc:renovate/org.springframework.boot-spring-boot-3.xCopy head branch name to clipboard