Bump jsoncons to 0.172.0 (#1911)

Bump jsoncons to 0.172.0. Full release notes - https://github.com/danielaparker/jsoncons/releases/tag/v0.172.0

Key features:

- Fixed issue danielaparker/jsoncons#469 affecting JSMESPath expressions with terminating CR
- Added result_option sort_descending
- Added new classes basic_json_location, basic_path_element, and basic_path_node
- Added a new functions get and remove for selecting a single JSON value from a JSON document at
a location represented by a json_location

cmake/jsoncons.cmake

@@ -20,8 +20,8 @@ include_guard()
 include(cmake/utils.cmake)
 
 FetchContent_DeclareGitHubWithMirror(jsoncons
-  danielaparker/jsoncons v0.171.1
-  MD5=7ab11905edd901e090cce6a0e4df5a9c
+  danielaparker/jsoncons v0.172.0
+  MD5=2bc70a1ddc8c5fc96d43c0cb4d10dfa0
 )
 
 FetchContent_MakeAvailableWithArgs(jsoncons