Add Tablestore VectorStore

[lrafeei]

This PR adds the TablestoreVectorStore to the list of VectorStores to be instrumented by LangChain

[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ PYTHON	bandit	2		0	5.72s
✅ PYTHON	black	2	0	0	2.18s
✅ PYTHON	flake8	2		0	1.19s
✅ PYTHON	isort	2	0	0	0.23s
✅ PYTHON	pylint	2		0	6.71s

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.66%. Comparing base (25e1f1e) to head (7dc8c24).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1278      +/-   ##
==========================================
- Coverage   79.67%   79.66%   -0.02%     
==========================================
  Files         201      201              
  Lines       22173    22174       +1     
  Branches     3519     3519              
==========================================
- Hits        17667    17664       -3     
- Misses       3356     3359       +3     
- Partials     1150     1151       +1     

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