[REVIEW] Update dgl dependency to dglcuda=11.6

[VibhuJawa]

This PR fixes #2928

[codecov-commenter]

Codecov Report

Base: 60.80% // Head: 60.81% // Increases project coverage by +0.01% 🎉

Coverage data is based on head (124db92) compared to base (85c447b).
Patch has no changes to coverable lines.

❗ Current head 124db92 differs from pull request most recent head 4689626. Consider uploading reports for the commit 4689626 to get more accurate results

Additional details and impacted files

@@               Coverage Diff                @@
##           branch-22.12    #2929      +/-   ##
================================================
+ Coverage         60.80%   60.81%   +0.01%     
================================================
  Files               122      122              
  Lines              6891     6891              
================================================
+ Hits               4190     4191       +1     
+ Misses             2701     2700       -1     

Impacted Files	Coverage Δ
...raph/structure/graph_implementation/simpleGraph.py	78.90% <0.00%> (+0.26%)	⬆️

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[BradReesWork]

@gpucibot merge