[FIX] Deprecate truck parameter in route_v8

[maciej-wichowski]

According to the documentation, truck attribute is deprecated in Routing requests if favour of vehicle attribute. This commit deprecates the truckattribute.
It can be still used, however a warning will appear in the console and the request will be sent with vehicle attribute. Values accepted in both attributes are the same in the API.

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.01%. Comparing base (a9a623f) to head (00af7e7).
Report is 2 commits behind head on master.

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Additional details and impacted files

@@            Coverage Diff             @@
##           master      #85      +/-   ##
==========================================
+ Coverage   92.99%   93.01%   +0.01%     
==========================================
  Files          26       26              
  Lines        1755     1760       +5     
==========================================
+ Hits         1632     1637       +5     
  Misses        123      123              

Flag	Coverage Δ
unittests	93.01% <100.00%> (+0.01%)	⬆️

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[abdullahselek]

Looks good to me, thanks for catching that deprecation!