Add -outputRerankerRequests option to create input for RankLLM

[ronakice]

As discussed in RankLLM, we can create an intermediate JSONL file with this option.

Example Usage:
java -cp ls target/*-fatjar.jar io.anserini.search.SearchCollection -index msmarco-v2.1-doc-segmented -topics trec2021-dl -output runs/run.msmarco-v2.1-doc-segmented.dl21.txt -outputRerankerRequests runs/retrieve_results_msmarco-v2.1-doc-segmented-dl21_top20.jsonl -bm25 -hits 20 -threads 16 -format trec

We only use JSONL, since RankLLM supports it.

The results for a single query can then be visualized by head -1 runs/retrieve_results_msmarco-v2.1-doc-segmented-dl21_top20.jsonl | jq.

[codecov]

Codecov Report

Attention: Patch coverage is 39.21569% with 31 lines in your changes are missing coverage. Please review.

Project coverage is 66.66%. Comparing base (da5958b) to head (650affb).

❗ Current head 650affb differs from pull request most recent head 1b198bc. Consider uploading reports for the commit 1b198bc to get more accurate results

Files	Patch %	Lines
.../main/java/io/anserini/search/RunOutputWriter.java	15.38%	18 Missing and 4 partials ⚠️
...main/java/io/anserini/search/SearchCollection.java	54.54%	4 Missing and 1 partial ⚠️
...ava/io/anserini/search/SearchHnswDenseVectors.java	71.42%	2 Missing ⚠️
...io/anserini/search/SearchInvertedDenseVectors.java	71.42%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2463      +/-   ##
============================================
- Coverage     66.80%   66.66%   -0.14%     
  Complexity     1418     1418              
============================================
  Files           213      213              
  Lines         12206    12244      +38     
  Branches       1488     1494       +6     
============================================
+ Hits           8154     8163       +9     
- Misses         3538     3563      +25     
- Partials        514      518       +4     

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[lintool]

Let's get this merged in!