Bump spring-boot-starter-parent from 2.1.7.RELEASE to 2.2.7.RELEASE#64

dependabot-preview[bot] wants to merge 1 commit intomastersaturnism/grpc-by-example-java:masterfrom

dependabot/maven/org.springframework.boot-spring-boot-starter-parent-2.2.7.RELEASEsaturnism/grpc-by-example-java:dependabot/maven/org.springframework.boot-spring-boot-starter-parent-2.2.7.RELEASECopy head branch name to clipboard