spdlog: allow newer versions again now that fmt isn't an issue anymore

Author: Pandapip1

symforce/opt/CMakeLists.txt

@@ -34,7 +34,7 @@ endif()
 # ------------------------------------------------------------------------------
 # spdlog
 
-find_package(spdlog 1.9...<1.11 QUIET)
+find_package(spdlog 1.9 QUIET)
 if (NOT spdlog_FOUND)
   message(STATUS "spdlog not found, adding with FetchContent")
   function(add_spdlog)