Update com.microsoft.graph version in POM.XML (microsoft#3748)

Author: LeeParrishMSFT

samples/java_springboot/46.teams-auth/pom.xml

@@ -59,7 +59,7 @@
       <dependency>
         <groupId>com.microsoft.graph</groupId>
         <artifactId>microsoft-graph</artifactId>
-        <version>2.8.9</version>
+        <version>2.9.0</version>
       </dependency>
 
       <dependency>