Add notebooks tests for 3.11 (#948)

[jklaise]

Tests running here: https://github.com/SeldonIO/alibi/actions/runs/5574815805
https://github.com/SeldonIO/alibi/actions/runs/5576711944
https://github.com/SeldonIO/alibi/actions/runs/5577163799
https://github.com/SeldonIO/alibi/actions/runs/5577726751

Comparison from previous weekly run: https://github.com/SeldonIO/alibi/actions/runs/5564820448

[codecov]

Codecov Report

Merging #949 (77d0742) into master (5445ad2) will increase coverage by 0.06%.
The diff coverage is n/a.

❗ Current head 77d0742 differs from pull request most recent head 6a667ac. Consider uploading reports for the commit 6a667ac to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #949      +/-   ##
==========================================
+ Coverage   85.16%   85.23%   +0.06%     
==========================================
  Files          74       74              
  Lines        8792     8832      +40     
==========================================
+ Hits         7488     7528      +40     
  Misses       1304     1304              

see 7 files with indirect coverage changes

[jklaise]

The usual failure from the overview.ipynb notebook (will PR to remove it from execution as it can't be run without restarting the kernel mid-way) and some time-outs. Will merge this as will run more tests with #941.