Upgrade org.springframework.boot:spring-boot-xxx to 2.2.0.M4

[fhanik]

Component: org.springframework.boot:spring-boot-starter-security
Current version: 2.2.0.M3
Next available version: 2.2.0.M4

Component: org.springframework.boot:spring-boot-starter-test
Current version: 2.2.0.M3
Next available version: 2.2.0.M4

Component: org.springframework.boot:spring-boot-starter-thymeleaf
Current version: 2.2.0.M3
Next available version: 2.2.0.M4

Component: org.springframework.boot:spring-boot-starter-web
Current version: 2.2.0.M3
Next available version: 2.2.0.M4

Component: org.springframework.boot:spring-boot-starter-webflux
Current version: 2.2.0.M3
Next available version: 2.2.0.M4

Component: org.springframework.security.oauth.boot:spring-security-oauth2-autoconfigure
Current version: 2.2.0.M3
Next available version: 2.2.0.M4