move lat_long_bounds to map_utils

[Thomas55555]

For installations, that have problems with shapely.
Maybe this helps, so that they can install the integration at least #526

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.01% ⚠️

Comparison is base (0853a8f) 98.97% compared to head (77e6859) 98.97%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #527      +/-   ##
==========================================
- Coverage   98.97%   98.97%   -0.01%     
==========================================
  Files          16       16              
  Lines        1272     1270       -2     
==========================================
- Hits         1259     1257       -2     
  Misses         13       13              

Files Changed	Coverage Δ
custom_components/husqvarna_automower/const.py	100.00% <ø> (ø)
custom_components/husqvarna_automower/map_utils.py	100.00% <100.00%> (ø)

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