chore(tracer): mark createTracer helper function as deprecated (#1692)

Author: dreamorosi

Diff for: packages/tracer/src/helpers.ts

@@ -1,6 +1,11 @@
 import { Tracer } from '.';
 import type { TracerOptions } from './types';
 
+/**
+ * Create a new tracer instance with the given options.
+ *
+ * @deprecated - This function will be removed in the next major release. Use the Tracer class directly instead.
+ */
 const createTracer = (options: TracerOptions = {}): Tracer =>
   new Tracer(options);