Check for TLS certs in the path used by LXD 3.0 snap

[simondeziel]

No description provided.

[codecov-commenter]

Codecov Report

Merging #506 (1c442f0) into master (47b2c9f) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #506   +/-   ##
=======================================
  Coverage   97.05%   97.05%           
=======================================
  Files          56       56           
  Lines        4105     4106    +1     
=======================================
+ Hits         3984     3985    +1     
  Misses        121      121           

Impacted Files	Coverage Δ
pylxd/client.py	89.91% <100.00%> (+0.04%)	⬆️

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