Update dep versions for the Spanner Hibernate sample (#1737)

Author: meltsufin

spanner/hibernate/pom.xml

@@ -30,21 +30,21 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-spanner-hibernate-dialect</artifactId>
-      <version>0.1.0</version>
+      <version>1.0.0</version>
     </dependency>
 
     <!-- The Spanner JDBC driver dependency -->
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-spanner-jdbc</artifactId>
-      <version>1.10.0</version>
+      <version>1.11.0</version>
     </dependency>
 
     <!-- Hibernate core dependency -->
     <dependency>
       <groupId>org.hibernate</groupId>
       <artifactId>hibernate-core</artifactId>
-      <version>6.0.0.Alpha2</version>
+      <version>5.4.9.Final</version>
     </dependency>
   </dependencies>
   <!-- [END spanner_hibernate_dependencies] -->