tools: Use x690==1.0.0.post2+nordic

Nordic version of x690 does not include `tests` folder.
exhuma/x690#2

Signed-off-by: Jan Gałda <[email protected]>

Author: jangalda-nsc

scripts/requirements-fixed.txt

@@ -221,7 +221,7 @@ west==1.4.0 ; python_version >= "3.12" and python_version < "4.0"
 wget==3.2 ; python_version >= "3.12" and python_version < "4.0"
 windows-curses==2.4.0 ; python_version >= "3.12" and python_version < "4.0" and sys_platform == "win32"
 wrapt==1.17.2 ; python_version >= "3.12" and python_version < "4.0"
-x690==1.0.0.post1 ; python_version >= "3.12" and python_version < "4.0"
+x690==1.0.0.post2+nordic ; python_version >= "3.12" and python_version < "4.0"
 xmltodict==0.14.2 ; python_version >= "3.12" and python_version < "4.0"
 yamllint==1.35.1 ; python_version >= "3.12" and python_version < "4.0"
 zcbor==0.8.1 ; python_version >= "3.12" and python_version < "4.0"