Add new source for Kraków, Poland #2888

[dawidborek]

./test_sources.py -s mpo_krakow_pl
Testing source mpo_krakow_pl ...
  found 106 entries for Romanowicza 1 DM
  found 11 entries for Na Wrzosach 43 DJ
  found 15 entries for Świtezianki 7 DB
  found 26 entries for Przewóz 40d DW

pytest
============================= test session starts ==============================
platform darwin -- Python 3.13.1, pytest-8.3.4, pluggy-1.5.0
rootdir: /Users/dawidborek/Documents/project/hacs_waste_collection_schedule
configfile: pytest.ini
collected 6 items                                                              

tests/test_source_components.py ......                                   [100%]

============================== 6 passed in 0.70s ===============================