[ox/std] Remove excess char from intToStr return

deps/ox/ox-docs.md

@@ -259,16 +259,16 @@ constexpr auto intToStr(Integer v) noexcept {
 		auto out = 0;
 		switch (sizeof(Integer)) {
 			case 1:
-				out = 4;
+				out = 3;
 				break;
 			case 2:
-				out = 6;
+				out = 5;
 				break;
 			case 4:
-				out = 11;
+				out = 10;
 				break;
 			case 8:
-				out = 22;
+				out = 21;
 				break;
 		}
 		return out + ox::is_signed_v<Integer>;