Update dvc requirements

[AlexVCaron]

Quick description

Update DVC now that iterative/dvc-data#513 is merged

Type of change

Check the relevant options.

• Bug fix (non-breaking change which fixes an issue)

Provide data, screenshots, command line to test (if relevant)

test_aodf_metrics.py will pass and that says it all

Checklist

• My code follows the style guidelines of this project (run autopep8)
• I added relevant citations to scripts, modules and functions docstrings and descriptions
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I moved all functions from the script file (except the argparser and main) to scilpy modules
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.49%. Comparing base (73d1aa5) to head (f6e5af5).
Report is 5 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #938   +/-   ##
=======================================
  Coverage   69.49%   69.49%           
=======================================
  Files         392      392           
  Lines       20966    20966           
  Branches     3207     3207           
=======================================
  Hits        14570    14570           
  Misses       5093     5093           
  Partials     1303     1303           

Components	Coverage Δ
Scripts	71.93% <ø> (ø)
Library	65.48% <ø> (ø)