Updates eureka to 1.9.0 and servo to 0.12.21

spring-cloud-netflix-dependencies/pom.xml

@@ -15,10 +15,10 @@
 	<description>Spring Cloud Netflix Dependencies</description>
 	<properties>
 		<archaius.version>0.7.6</archaius.version>
-		<eureka.version>1.8.8</eureka.version>
+		<eureka.version>1.9.0</eureka.version>
 		<hystrix.version>1.5.12</hystrix.version>
 		<ribbon.version>2.2.5</ribbon.version>
-		<servo.version>0.10.1</servo.version>
+		<servo.version>0.12.21</servo.version>
 		<zuul.version>1.3.1</zuul.version>
 		<rxjava.version>1.2.0</rxjava.version>
 		<rxjava-reactive-streams.version>1.2.1</rxjava-reactive-streams.version>