deps: update opencensus.version to v0.30.0 (#646)

Author: renovate-bot

pom.xml

@@ -161,7 +161,7 @@
     <graalvm.version>21.3.1</graalvm.version>
     <grpc.version>1.43.1</grpc.version>
     <protobuf.version>3.19.2</protobuf.version>
-    <opencensus.version>0.28.0</opencensus.version>
+    <opencensus.version>0.30.0</opencensus.version>
     <annotations-api.version>1.3.2</annotations-api.version>
     <guava.version>31.0.1-jre</guava.version>
     <junit.version>4.13.2</junit.version>