Update FortUTF version (!86)

## What is the bug
FortUTF did not return correct error code for failed test.
## How do you fix it
[This PR(merged)](https://github.com/artemis-beta/FortUTF/pull/22

) fixed the problem.

Approved-by: Jonas Jucker <jonas.jucker@env.ethz.ch>
Merged-by: Jonas Jucker <jonas.jucker@env.ethz.ch>
Changelog: bugfix

test/fortran/CMakeLists.txt

@@ -15,8 +15,8 @@ if ("${CMAKE_VERSION}" VERSION_GREATER_EQUAL "3.24")
 endif()
 include(FetchContent)
 FetchContent_Declare(fortutf
-  URL https://github.com/artemis-beta/FortUTF/archive/694afc80a5362d0711a99f248a25b1b5edd668f5.tar.gz
-  URL_HASH MD5=1cc90b741c89436b4711b6dd1ea05980
+  URL https://github.com/artemis-beta/FortUTF/archive/bf749de0f710e0dd7f6d00a4f5104d78fefb94e9.tar.gz
+  URL_HASH MD5=1246c176d0f543acf040facc26d24d54
 )
 FetchContent_MakeAvailable(fortutf)
 message(CHECK_PASS "done")