Use instance's default queue for queued_jobs default

[phy1729]

I think it would be less surprising for queued_jobs to default to the instance's default rather than the global default.

[codecov]

Codecov Report

Merging #368 (7c8d048) into main (b6dda0e) will decrease coverage by 0.10%.
The diff coverage is 66.66%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #368      +/-   ##
==========================================
- Coverage   98.74%   98.64%   -0.11%     
==========================================
  Files           9        9              
  Lines         957      959       +2     
  Branches      179      180       +1     
==========================================
+ Hits          945      946       +1     
  Misses          6        6              
- Partials        6        7       +1     

Impacted Files	Coverage Δ
arq/connections.py	95.20% <66.66%> (-0.63%)	⬇️

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[JonasKs]

Looks good to me. Sorry about my tired eyes causing the confusion 😁

[samuelcolvin]

v0.26.0b1 is released, please try it, I'll release v0.26 at the end of the week, see #441.