compile failed about sample-graphql-microservices

[MehmetNuri]

Change jcenter url to https://jcenter.bintray.com

<repositories>
		<repository>
			<id>jcenter</id>
			<name>jcenter</name>
			<url>https://jcenter.bintray.com</url>
		</repository>

</repositories>

And update the dependencies

<!-- https://mvnrepository.com/artifact/com.apollographql.apollo/apollo-runtime -->
<dependency>
    <groupId>com.apollographql.apollo</groupId>
    <artifactId>apollo-runtime</artifactId>
    <version>1.0.1</version>
</dependency>