Update benchmark numbers in examples

This commit updates the benchmark numbers in various example files. The
changes reflect recent performance optimizations or adjustments to the
benchmarking environment.

examples/record_unpack.myc

@@ -2,8 +2,8 @@
 ;; This test calls a function that destructures a record
 ;; Current implementation is now zero-allocation for destructuring.
 ;; Output: 3
-;; Benchmark: 740ns
-;; Benchmark-Repeat: 2745
+;; Benchmark: 698ns
+;; Benchmark-Repeat: 2875
 
 (do
   (def process (fn [[x y]]