[tokenizers] Adds SparseRetrievalTranslator

[xyang16]

Description

Brief description of what this PR is about

• If this change is a backward incompatible change, why must this change be made?
• Interesting edge cases to note here

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 81.76471% with 31 lines in your changes missing coverage. Please review.

Project coverage is 59.74%. Comparing base (8aae174) to head (9ead1b4).
Report is 11 commits behind head on master.

Files with missing lines	Patch %	Lines
...p/translator/SparseRetrievalServingTranslator.java	61.11%	21 Missing ⚠️
...gingface/translator/SparseRetrievalTranslator.java	91.56%	3 Missing and 4 partials ⚠️
...ace/translator/TextEmbeddingTranslatorFactory.java	66.66%	1 Missing and 2 partials ⚠️

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Additional details and impacted files

@@             Coverage Diff              @@
##             master    #3642      +/-   ##
============================================
- Coverage     62.05%   59.74%   -2.32%     
+ Complexity     6235     6024     -211     
============================================
  Files           685      694       +9     
  Lines         33508    33963     +455     
  Branches       3572     3627      +55     
============================================
- Hits          20795    20292     -503     
- Misses        11129    12135    +1006     
+ Partials       1584     1536      -48     

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