update the bmw cn version and nonce generate function

Proposed change

Update the BMW cn version number and login Nonce generation logic to fix the login issue in China.

Type of change

[x] 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

The current code for automatically verifying captchas occasionally fails and requires several attempts. It may need a better solution for automatically bypassing captchas.

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

Checklist

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

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (5fc543a) 100.00% compared to head (294de63) 100.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #561 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 17 17 Lines 1328 1334 +6 ========================================= + Hits 1328 1334 +6 ``` | [Flag](https://app.codecov.io/gh/bimmerconnected/bimmer_connected/pull/561/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bimmerconnected) | Coverage Δ | | |---|---|---| | [3.10](https://app.codecov.io/gh/bimmerconnected/bimmer_connected/pull/561/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bimmerconnected) | `100.00% <100.00%> (ø)` | | | [3.11](https://app.codecov.io/gh/bimmerconnected/bimmer_connected/pull/561/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bimmerconnected) | `100.00% <100.00%> (ø)` | | | [3.12](https://app.codecov.io/gh/bimmerconnected/bimmer_connected/pull/561/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bimmerconnected) | `100.00% <100.00%> (ø)` | | | [3.8](https://app.codecov.io/gh/bimmerconnected/bimmer_connected/pull/561/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bimmerconnected) | `100.00% <100.00%> (ø)` | | | [3.9](https://app.codecov.io/gh/bimmerconnected/bimmer_connected/pull/561/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bimmerconnected) | `100.00% <100.00%> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bimmerconnected#carryforward-flags-in-the-pull-request-comment) to find out more. | [Files Changed](https://app.codecov.io/gh/bimmerconnected/bimmer_connected/pull/561?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bimmerconnected) | Coverage Δ | | |---|---|---| | [bimmer\_connected/api/utils.py](https://app.codecov.io/gh/bimmerconnected/bimmer_connected/pull/561?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bimmerconnected#diff-YmltbWVyX2Nvbm5lY3RlZC9hcGkvdXRpbHMucHk=) | `100.00% <100.00%> (ø)` | |

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bimmerconnected / bimmer_connected