deps: update opentelemetry.version to v1.51.0 (#2145)

Author: renovate-bot

google-cloud-firestore/pom.xml

@@ -16,7 +16,7 @@
   </parent>
   <properties>
     <site.installationModule>google-cloud-firestore</site.installationModule>
-    <opentelemetry.version>1.50.0</opentelemetry.version>
+    <opentelemetry.version>1.51.0</opentelemetry.version>
   </properties>
   <dependencies>
     <dependency>