Increase stacktrace size

Author: sakthivelmanii

.github/workflows/ci.yaml

@@ -53,6 +53,7 @@ jobs:
       env:
         JOB_TYPE: test
         GOOGLE_CLOUD_SPANNER_MULTIPLEXED_SESSIONS: true
+        MAVEN_OPTS: "-XX:MaxJavaStackTraceDepth=1000"
   units-java8:
     # Building using Java 17 and run the tests with Java 8 runtime
     name: "units (8)"