Add benchmark metadata to examples

examples/macro_financial.myc

@@ -1,5 +1,5 @@
-;; Benchmark: 462ns
-;; Benchmark-Repeat: 4348
+;; Benchmark: 384ns
+;; Benchmark-Repeat: 5255
 ;; Financial DSL Macro example
 ;; Demonstrates generating complex records from simple parameters.
 ;; Output: {:price 100, :size 2, :total 200}