chore: update Zig

Author: tensorush

build.zig.zon

@@ -2,7 +2,7 @@
     .name = .cookie,
     .version = "0.3.0",
     .fingerprint = 0x8ae0ba6611e7a9c1, // Changing this has security and trust implications.
-    .minimum_zig_version = "0.15.1",
+    .minimum_zig_version = "0.15.2",
     .paths = .{
         "src/",
         "build.zig",