fix(mongo): Remove aggregate from operations whose arguments get serialized (#3102)

The arguments don't serialize well, because they're too nested/complex, and also potentially quite large. See PR for examples.

Author: lobsterkatie

packages/tracing/src/integrations/mongo.ts

@@ -47,7 +47,8 @@ const OPERATIONS = [
 const OPERATION_SIGNATURES: {
   [op in Operation]?: string[];
 } = {
-  aggregate: ['pipeline'],
+  // aggregate intentionally not included because `pipeline` arguments are too complex to serialize well
+  // see https://github.com/getsentry/sentry-javascript/pull/3102
   bulkWrite: ['operations'],
   countDocuments: ['query'],
   createIndex: ['fieldOrSpec'],