WIP: add ble connect timeout

[dlech]

TODO:

• https://crbug.com/684073 needs to be fixed
• timeout needs to be added to bootloader connect as well

Issue: https://github.com/pybricks/support/issues/911

[codecov-commenter]

Codecov Report

Base: 69.33% // Head: 69.27% // Decreases project coverage by -0.05% :warning:

Coverage data is based on head (3f24c35) compared to base (0db20ce). Patch coverage: 59.09% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1430      +/-   ##
==========================================
- Coverage   69.33%   69.27%   -0.06%     
==========================================
  Files         194      195       +1     
  Lines        4878     4899      +21     
  Branches     1010     1012       +2     
==========================================
+ Hits         3382     3394      +12     
- Misses       1469     1478       +9     
  Partials       27       27              

Impacted Files	Coverage Δ
src/alerts.ts	100.00% <ø> (ø)
src/ble/alerts/FailedToConnect.tsx	40.00% <40.00%> (ø)
src/ble/sagas.ts	77.77% <64.70%> (-1.35%)	:arrow_down:

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