Allow newer pytest versions

Author: Famlam

requirements.txt

@@ -21,7 +21,7 @@ myanmartools
 PyICU
 
 # Tests
-pytest == 7.4.4 # In v8 it skips the plugins folder, see our issue #2266 and https://github.com/pytest-dev/pytest/issues/12605
+pytest != 8.* # In v8 it skips the plugins folder, see our issue #2266
 xmltodict
 termcolor
 pylama