chg: [tests] misp_instance_version_master now uses the 2.5 branch

pymisp/api.py

@@ -315,7 +315,7 @@ def misp_instance_version(self) -> dict[str, Any] | list[dict[str, Any]]:
     @property
     def misp_instance_version_master(self) -> dict[str, Any] | list[dict[str, Any]]:
         """Get the most recent version from github"""
-        r = requests.get('https://raw.githubusercontent.com/MISP/MISP/2.4/VERSION.json')
+        r = requests.get('https://raw.githubusercontent.com/MISP/MISP/2.5/VERSION.json')
         if r.status_code == 200:
             master_version = loads(r.content)
             return {'version': '{}.{}.{}'.format(master_version['major'], master_version['minor'], master_version['hotfix'])}