Relax dependency requirements

[WhatTheFuzz]

• Tested a few versions of pandas, to include 1.2.0 and 2.0.0rc0 and rc1 with the current requirements without issue.
• Tested a few versions of numpy. Found that the latest version (1.24.2) passes the test cases, as does 1.22.0. Set the value for anything higher than 1.22.0 as a result.
• Change .docvec to .dv to satisfy deprecation warning.

Relate #133

[codecov-commenter]

Codecov Report

Merging #137 (2fc703e) into master (de4cdb4) will increase coverage by 0.01%. The diff coverage is n/a.

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@@            Coverage Diff             @@
##           master     #137      +/-   ##
==========================================
+ Coverage   97.39%   97.41%   +0.01%     
==========================================
  Files          63       63              
  Lines        2692     2703      +11     
==========================================
+ Hits         2622     2633      +11     
  Misses         70       70              

Impacted Files	Coverage Δ
karateclub/graph_embedding/gl2vec.py	100.00% <ø> (ø)
karateclub/graph_embedding/graph2vec.py	100.00% <ø> (ø)
karateclub/node_embedding/attributed/ae.py	100.00% <ø> (ø)
karateclub/node_embedding/attributed/asne.py	100.00% <ø> (ø)
karateclub/node_embedding/attributed/musae.py	100.00% <ø> (ø)

... and 2 files with indirect coverage changes

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[benedekrozemberczki]

Looks good, do you want to conver it for a full PR?

[WhatTheFuzz]

Tested out numpy as well. Since networkx 3 < seems to make breaking changes, I didn't touch that yet.

[rjurney]

@WhatTheFuzz I am looking at bumping it to networkx 3.1 now.

[WhatTheFuzz]

@WhatTheFuzz I am looking at bumping it to networkx 3.1 now.

Yeah, it would be great to have assistance bumping it to >= 3.1!