fix(ci): add missing <utility> header for std::exchange

LessUp · LessUp · commit e36cb70abe52 · 2026-04-22T10:56:17.000+08:00
std::exchange requires the &lt;utility&gt; header. This fixes compilation
errors on GCC 12 and other compilers that don't implicitly include it.
diff --git a/examples/02-memory-cache/src/alignment.cpp b/examples/02-memory-cache/src/alignment.cpp
@@ -20,6 +20,7 @@
 #include <cstring>
 #include <iostream>
 #include <memory>
+#include <utility>
 #include <vector>
 
 #ifdef __AVX2__
