Bumped azure.cosmos.version number to pick up changes on David-Noble-at-work/issue/cosmos-3.X/direct-tcp/memory-leak

pom.xml

@@ -58,7 +58,7 @@
         <gson.version>2.8.4</gson.version>
         <project.reactor.test.version>3.3.0.RELEASE</project.reactor.test.version>
 
-        <azure.cosmos.version>3.7.0</azure.cosmos.version>
+        <azure.cosmos.version>3.8.0-beta.1</azure.cosmos.version>
         <azure.test.resourcegroup>spring-data-cosmosdb-test</azure.test.resourcegroup>
         <azure.test.dbname>testdb-${maven.build.timestamp}</azure.test.dbname>
         <skip.integration.tests>true</skip.integration.tests>