Update Spring Boot CLI Container to RC1

This change updates the Spring Boot CLI Container to support the
changes in the forthcoming Spring Boot CLI RC1.  Primarily it adds
support for calling 'spring run' without '--local'.  The changes to
Spring Boot automatically look to a /repository directory on the
filesystem for classpath JARs.

[#62838890]
Merge 62838890-boot-m7 to master

[Completes #62838890]