Adding connected component analysis as a post-processing step

[Geeks-Sid]

Adds connected component analysis

Proposed Changes

Checklist

• [x] I have read the CONTRIBUTING guide
• [x] My PR is based from the current GaNDLF master
• [x] Non-breaking change (does not break existing functionality): provide as many details as possible for any breaking change
• [x] Function/class source code documentation added/updated
• [x] Code has been blacked for style consistency
• [x] If applicable, version information has been updated in GANDLF/version.py
• [x] If adding a git submodule, add to list of exceptions for black styling in pyproject.toml file
• [x] Usage documentation has been updated, if appropriate
• [ ] History has been updated, if appropriate
• [x] Tests added or modified to cover the changes; if coverage is reduced, please give explanation
• [x] If customized dependency installation is required (i.e., a separate pip install step is needed for PR to be functional), please ensure it is reflected in all the files that control the CI, namely: python-test.yml, and all docker files [1,2,3,4]

[codecov[bot]]

Codecov Report

Merging #467 (8b3fc08) into master (be60609) will increase coverage by 0.13%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #467      +/-   ##
==========================================
+ Coverage   93.18%   93.32%   +0.13%     
==========================================
  Files         104      104              
  Lines        6458     6484      +26     
==========================================
+ Hits         6018     6051      +33     
+ Misses        440      433       -7     

Flag	Coverage Δ
unittests	93.32% <100.00%> (+0.13%)	:arrow_up:

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

Impacted Files	Coverage Δ
GANDLF/compute/forward_pass.py	93.39% <100.00%> (+1.28%)	:arrow_up:
GANDLF/data/post_process/__init__.py	100.00% <100.00%> (ø)
GANDLF/data/post_process/morphology.py	100.00% <100.00%> (ø)
GANDLF/data/post_process/tensor.py	100.00% <100.00%> (ø)
GANDLF/parseConfig.py	77.32% <100.00%> (+0.57%)	:arrow_up:
GANDLF/utils/tensor.py	88.27% <100.00%> (ø)
testing/test_full.py	98.98% <100.00%> (+0.31%)	:arrow_up:

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[sarthakpati]

Please also add a note in HISTORY that suggests that "connected component analysis is now added as a post-processing step".

[Geeks-Sid]

Anything pending for this @sarthakpati ?

[AlexanderGetka-cbica]

Can we resolve the conflicts in history.md?

[sarthakpati]

Anything pending for this @sarthakpati ?

Codacy errors.

[sarthakpati]

Hey @AlexanderGetka-cbica, since I have added commits for this PR, I should not review it. Leaving for you to review.

[AlexanderGetka-cbica]

@sarthakpati you will need to resolve your previous review.