irc: versionadded annotations for AbstractBot.make_identifier*()

Author: dgw

sopel/irc/__init__.py

@@ -227,7 +227,10 @@ def hostmask(self) -> Optional[str]:
     # Utility
 
     def make_identifier(self, name: str) -> identifiers.Identifier:
-        """Instantiate an Identifier using the bot's context."""
+        """Instantiate an Identifier using the bot's context.
+
+        .. versionadded:: 8.0
+        """
         casemapping = {
             'ascii': identifiers.ascii_lower,
             'rfc1459': identifiers.rfc1459_lower,
@@ -260,6 +263,8 @@ def make_identifier_memory(self) -> memories.SopelIdentifierMemory:
                 identifier_factory=bot.make_identifier,
             )
 
+        .. versionadded:: 8.0
+
         .. seealso::
 
             The :mod:`.tools.memories` module describes how to use