Use released OTel exporter in Spring Monitor (#42531)

Author: jeanbisutti

sdk/spring/spring-cloud-azure-starter-monitor/pom.xml

@@ -88,7 +88,7 @@
     <dependency>
       <groupId>com.azure</groupId>
       <artifactId>azure-monitor-opentelemetry-exporter</artifactId>
-      <version>1.0.0-beta.31</version> <!-- {x-version-update;unreleased_com.azure:azure-monitor-opentelemetry-exporter;dependency} -->
+      <version>1.0.0-beta.30</version> <!-- {x-version-update;com.azure:azure-monitor-opentelemetry-exporter;dependency} -->
     </dependency>
 
     <!-- Test dependencies -->