update stdx and downgrade fmt to 10.2.1

Author: lukevalenty

CMakeLists.txt

@@ -23,8 +23,8 @@ find_package(
 include(cmake/string_catalog.cmake)
 
 add_versioned_package("gh:boostorg/mp11#boost-1.83.0")
-fmt_recipe(11.0.0)
-add_versioned_package("gh:intel/cpp-std-extensions#a51e2bf")
+fmt_recipe(10.2.1)
+add_versioned_package("gh:intel/cpp-std-extensions#6c4fb17")
 add_versioned_package("gh:intel/cpp-baremetal-concurrency#8d49b6d")
 
 add_library(cib INTERFACE)