Bump spring-boot from 1.5.6.RELEASE to 2.2.11.RELEASE in /eureka-server#2

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dependabot/maven/eureka-server/org.springframework.boot-spring-boot-2.2.11.RELEASEAda0910/springcloud:dependabot/maven/eureka-server/org.springframework.boot-spring-boot-2.2.11.RELEASECopy head branch name to clipboard