Add deprecation note

Author: AbhiPrasad

packages/tracing/src/spanstatus.ts

@@ -1,4 +1,7 @@
-/** The status of an Span. */
+/** The status of an Span.
+ *
+ * @deprecated Use string literals - if you require type casting, cast to SpanStatusType type
+*/
 // eslint-disable-next-line import/export
 export enum SpanStatus {
   /** The operation completed successfully. */