Update position while cover is moving

[pawlizio]

This PR pushes after_update calls every second while covers are moving. This PR is the prefered way over PR in HA #106684 https://github.com/home-assistant/core/pull/106684

[codecov-commenter]

Codecov Report

Attention: 8 lines in your changes are missing coverage. Please review.

Comparison is base (ff99779) 80.00% compared to head (72a29fe) 79.81%.

Files	Patch %	Lines
pyvlx/opening_device.py	33.33%	8 Missing :warning:

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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #367      +/-   ##
==========================================
- Coverage   80.00%   79.81%   -0.19%     
==========================================
  Files          77       77              
  Lines        3560     3572      +12     
==========================================
+ Hits         2848     2851       +3     
- Misses        712      721       +9     

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