Bump mysql-connector-java from 8.0.12 to 8.0.28 in /backend/spring_boot_web_demo#2

dependabot[bot] wants to merge 1 commit intomasterYU-JI-KUI/SpringBoot_Mybatis_MiniPro_Example:masterfrom

dependabot/maven/backend/spring_boot_web_demo/mysql-mysql-connector-java-8.0.28YU-JI-KUI/SpringBoot_Mybatis_MiniPro_Example:dependabot/maven/backend/spring_boot_web_demo/mysql-mysql-connector-java-8.0.28Copy head branch name to clipboard