Change default user agent to fix API calls

[gingerm0nkey]

Description:

Blink integration in HA becomes unavailable when requesting API through differents actions, like Arming, Disarming, Updating...

Entries in log journal are similar to the entry below, and the number of ocurrences depends on how often the API is requested.

ERROR (MainThread) [homeassistant.components.blink.coordinator] Error requesting blink data: 0, message='Attempt to decode JSON with unexpected mimetype: text/plain; charset=utf-8', url=URL('https://***')

Related issue (if applicable): fixes #

Checklist:

• Local tests with tox run successfully PR cannot be meged unless tests pass
• Changes tested locally to ensure platform still works as intended
• Tests added to verify new code works

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (b5fe148) 99.86% compared to head (453ba62) 99.86%.

Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #848   +/-   ##
=======================================
  Coverage   99.86%   99.86%           
=======================================
  Files           8        8           
  Lines        1470     1470           
=======================================
  Hits         1468     1468           
  Misses          2        2           

Flag	Coverage Δ
unittests	99.86% <ø> (ø)

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[fronzbot]

Sweet! I thought that might be it. Thanks for the PR 👍

[mkmer]

Yesterday, I had also changed the user agent to match the android app :
https://github.com/mkmer/blinkpy/blob/b79f8ca4833011658ad58eada38e54a189dd4af1/blinkpy/helpers/constants.py#L23

There were a few 406 errors at first, then the problems stopped. I'm no convinced this isn't a backend issue more than the change, but it doesn't break anything.

Should we go with what we are actually emulating in this field?

[Truepix]

Thanks to everyone who contributed to this fix. It's good to see a community working together. That's what makes us strong.

[daknightuk]

How do I now get the working update?