Use C++23 std::expected (#8823)

upstream_utils/json_patches/0020-Add-array-and-object-factory-functions.patch

@@ -8,11 +8,11 @@ Subject: [PATCH 20/25] Add array and object factory functions
  1 file changed, 30 insertions(+)
 
 diff --git a/json.h b/json.h
-index e52435a79ee7537928ba59fb146f635fc8511bfc..6a52615ab3e1799ebcf51a3b5ca445b1e2e64b97 100644
+index d77ff1ea380614c54579d26cc233aa8424734b5b..08796527ea948c1cd602c0ba7a7b24dd75e57046 100644
 --- a/json.h
 +++ b/json.h
-@@ -19,6 +19,8 @@
- 
+@@ -20,6 +20,8 @@
+ #include <expected>
  #include <string>
  #include <string_view>
 +#include <tuple>