Add clone analysis mutation

[sudan45]

Addresses

• Implement clone analysis feature in graphql node #1546

This PR doesn't introduce any:

• temporary files, auto-generated files or secret keys
• n+1 queries
• flake8 issues
• print
• typos
• unwanted comments

This PR contains valid:

• tests
• permission checks (tests here too)
• translations

[codecov]

Codecov Report

Attention: Patch coverage is 65.51724% with 10 lines in your changes missing coverage. Please review.

Project coverage is 79.42%. Comparing base (6b89470) to head (687f41f).
Report is 5 commits behind head on develop.

Files with missing lines	Patch %	Lines
apps/analysis/serializers.py	52.38%	10 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1547   +/-   ##
========================================
  Coverage    79.42%   79.42%           
========================================
  Files          464      464           
  Lines        30402    30424   +22     
  Branches      3420     3421    +1     
========================================
+ Hits         24146    24164   +18     
- Misses        6256     6260    +4     

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[Rup-Narayan-Rajbanshi]

@sudan45 Some minor changes.