Fix broken CI (pyccel#1952)

Split returns list which is non-hashable. Since pyccel#1949 a key in the bot
is generated using a split. This PR converts this to a tuple which is
hashable

Author: EmilyBourne

ci_tools/bot_tools/bot_funcs.py

@@ -995,7 +995,7 @@ def get_name_key(self, name):
             The name which can be used as a key.
         """
         if '(' in name:
-            return name.split('(')[1].split(')')[0].split(', ')
+            return tuple(name.split('(')[1].split(')')[0].split(', '))
         elif 'Codacy' in name:
             return 'Codacy'
         else: