ci: allow failures on 3.11

[dtrifiro]

related: iterative/dvc-data#98

[codecov-commenter]

Codecov Report

Merging #95 (bf5eac1) into main (c15141b) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #95   +/-   ##
=======================================
  Coverage   66.07%   66.07%           
=======================================
  Files          39       39           
  Lines        2411     2411           
  Branches      378      378           
=======================================
  Hits         1593     1593           
  Misses        789      789           
  Partials       29       29           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update c15141b...bf5eac1. Read the comment docs.