Add exception handling for unexpected responses

[rikroe]

Proposed change

Adds exception handling, hopefully fixing some of the issues our users see if the API doesn't respond with the correct vehicle details (e.g. tire status) or an additional, non-functioning vehicle in the account.

Type of change

• Bugfix (non-breaking change which fixes an issue)
• New feature (which adds functionality to this library)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue:

Checklist

• The code change is tested and works locally.
• Tests have been added to verify that the new code works.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (b267df3) 100.00% compared to head (cf50514) 100.00%.
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #580   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           17        17           
  Lines         1382      1397   +15     
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+ Hits          1382      1397   +15     

Flag	Coverage Δ
3.10	100.00% <100.00%> (ø)
3.11	100.00% <100.00%> (?)
3.12	100.00% <100.00%> (ø)
3.8	100.00% <100.00%> (ø)
3.9	100.00% <100.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
bimmer_connected/account.py	100.00% <100.00%> (ø)
bimmer_connected/vehicle/vehicle.py	100.00% <100.00%> (ø)

... and 2 files with indirect coverage changes

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