FEAT: Support tcp store for rendezvous in collective communication

[ChengjieLi28]

Related #22

Check code requirements

• [x] tests added / passed (if needed)
• [x] Ensure all linting tests pass

[codecov[bot]]

Codecov Report

Merging #31 (4a7482a) into main (5dd2fa7) will decrease coverage by 0.02%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main      #31      +/-   ##
==========================================
- Coverage   93.66%   93.64%   -0.02%     
==========================================
  Files          42       43       +1     
  Lines        3332     3370      +38     
  Branches      668      671       +3     
==========================================
+ Hits         3121     3156      +35     
- Misses        140      143       +3     
  Partials       71       71              

Flag	Coverage Δ
unittests	93.50% <100.00%> (-0.02%)	:arrow_down:

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

Impacted Files	Coverage Δ
...oscar/collective/rendezvous/test/test_tcp_store.py	100.00% <100.00%> (ø)

... and 3 files with indirect coverage changes