Use explicit version for dependencyManagement section in spring-legacy module
Use explicit version for dependencyManagement section in spring-legacy module

The Gradle version range is not resolved in the dependencyManagement section, resulting in an invalid POM file for the module, which prevents publishing to Maven Central.

Resolves #2264

micrometer-metrics/micrometer,micrometer-metrics/micrometer,micrometer-metrics/micrometer