Rework dep mgmt again to avoid consumers picking up strict constraints

This paves the way for publishing Gradle module metadata once the
problem caused by snapshot versions and our two-step publication
process has been addressed.

See gh-19609

spring-boot-project/spring-boot-starters/spring-boot-starter-cache/build.gradle

@@ -5,7 +5,7 @@ plugins {
 description = "Starter for using Spring Framework's caching support"
 
 dependencies {
-	api enforcedPlatform(project(':spring-boot-project:spring-boot-dependencies'))
+	api platform(project(':spring-boot-project:spring-boot-dependencies'))
 	api project(':spring-boot-project:spring-boot-starters:spring-boot-starter')
 	api 'org.springframework:spring-context-support'
 }