Add missing deployed plugin to modules

This commit registers 'org.springframework.boot.deployed' to
spring-boot-configuration-metadata and spring-boot-properties-migrator
to make sure they are deployed as expected.

See gh-20051

spring-boot-project/spring-boot-properties-migrator/build.gradle

 plugins {
 	id "java-library"
-	id "maven-publish"
 	id "org.springframework.boot.conventions"
+	id "org.springframework.boot.deployed"
 	id "org.springframework.boot.internal-dependency-management"
 }
 

spring-boot-project/spring-boot-tools/spring-boot-configuration-metadata/build.gradle

 plugins {
 	id "java-library"
-	id "maven-publish"
 	id "org.springframework.boot.conventions"
+	id "org.springframework.boot.deployed"
 	id "org.springframework.boot.internal-dependency-management"
 }