Merge pull request #761 from joshiste

* pr/761:
  Polish "Upgrade to Spring Boot Admin 2.1.0"
  Upgrade to Spring Boot Admin 2.1.0

initializr-service/src/main/resources/application.yml

@@ -46,8 +46,7 @@ initializr:
           - versionRange: "[2.0.0.M1,2.1.0.M1)"
             version: 2.0.4
           - versionRange: "2.1.0.M1"
-            version: 2.1.0-SNAPSHOT
-            repositories: sonatype-snapshots
+            version: 2.1.0
       keycloak:
         groupId: org.keycloak.bom
         artifactId: keycloak-adapter-bom