Use cProfile instead of profile

I can't open .prof files created with 'profile' using pyprof2calltree:

```
Traceback (most recent call last):
  File "/home/val/.local/bin/pyprof2calltree", line 8, in <module>
    sys.exit(main())
             ^^^^^^
  File "/home/val/.local/lib/python3.11/site-packages/pyprof2calltree.py", line 339, in main
    kg = CalltreeConverter(pstats.Stats(args.infile))
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/val/.local/lib/python3.11/site-packages/pyprof2calltree.py", line 178, in __init__
    self.entries = pstats2entries(profiling_data)
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/val/.local/lib/python3.11/site-packages/pyprof2calltree.py", line 135, in pstats2entries
    cc, nc, tt, ct = call_info
    ^^^^^^^^^^^^^^
TypeError: cannot unpack non-iterable int object
```

src/scripts/limnoria.py

@@ -361,11 +361,11 @@ def removePidFile():
     owner = Owner.Class()
 
     if options.profile:
-        import profile
+        import cProfile
         world.profiling = True
-        profile.runctx('run()',
-                       globals=globals(), locals={**locals(), "run": run},
-                       filename='%s-%i.prof' % (nick, time.time()))
+        cProfile.runctx('run()',
+                        globals=globals(), locals={**locals(), "run": run},
+                        filename='%s-%i.prof' % (nick, time.time()))
     else:
         run()