torchvision version range compatibility with pytorch version

[ClaudiaComito]

Description

Current torchvision version 0.10 requires PyTorch 1.9, which we are not supporting with Heat 1.1.x.

Changes proposed:

• Constraining torchvision<0.10 to match the supported pytorch version range.

Type of change

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

Due Diligence

• All split configurations tested
• Multiple dtypes tested in relevant functions
• Documentation updated (if needed)
• Updated changelog.md under the title "Pending Additions"

Does this change modify the behaviour of other functions? If so, which?

no

[codecov]

Codecov Report

Merging #864 (97af229) into release/1.1.x (fdc6e7c) will not change coverage.
The diff coverage is n/a.

@@              Coverage Diff               @@
##           release/1.1.x     #864   +/-   ##
==============================================
  Coverage          95.30%   95.30%           
==============================================
  Files                 64       64           
  Lines               9004     9004           
==============================================
  Hits                8581     8581           
  Misses               423      423           

Flag	Coverage Δ
gpu	94.43% <ø> (ø)
unit	90.89% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
heat/core/dndarray.py	97.12% <ø> (ø)

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