Fix trio future deprecation warnings

[vxgmichel]

No description provided.

[touilleMan]

May cay dé fous !!!! python-trio/trio#637 ^^

[codecov]

Codecov Report

Merging #805 into master will decrease coverage by 12.65%.
The diff coverage is 45%.

@@             Coverage Diff             @@
##           master     #805       +/-   ##
===========================================
- Coverage   60.37%   47.72%   -12.66%     
===========================================
  Files         217      259       +42     
  Lines       16629    21667     +5038     
===========================================
+ Hits        10040    10340      +300     
- Misses       6589    11327     +4738

Impacted Files	Coverage Δ
parsec/core/gui/new_version.py	0% <0%> (ø)	⬆️
parsec/core/gui/custom_dialogs.py	0% <0%> (ø)	⬆️
parsec/core/gui/trio_thread.py	0% <0%> (ø)	⬆️
parsec/backend/s3_blockstore.py	100% <100%> (ø)	⬆️
parsec/core/mountpoint/fuse_runner.py	97.11% <100%> (ø)	⬆️
parsec/backend/swift_blockstore.py	92.3% <100%> (ø)	⬆️
parsec/core/backend_connection/monitor.py	92.1% <100%> (+2.63%)	⬆️
parsec/core/fs/storage/local_database.py	100% <100%> (ø)	⬆️
parsec/core/messages_monitor.py	97.67% <100%> (ø)	⬆️
parsec/core/mountpoint/winfsp_runner.py	94.33% <100%> (+94.33%)	⬆️
... and 67 more

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