fix #1956 - add support for LATENCY HISTORY

[avinashkrishna613]

Description

Its regarding issue #1956 request.

Describe your pull request here

• A new file that builds the LATENCY HISTORY command line arguments.
• Update to the general client's commands list.
• A test file for the latency history command

---

Checklist

• Does npm test pass with this change (including linting)?
• Is the new or changed code fully tested?
• Is a documentation update included (if this change modifies existing APIs, or introduces new ones)?

[codecov-commenter]

Codecov Report

Patch coverage: 97.43% and project coverage change: +0.03% 🎉

Comparison is base (a7d5bc7) 95.70% compared to head (6213899) 95.73%.
Report is 21 commits behind head on master.

❗ Current head 6213899 differs from pull request most recent head 899d653. Consider uploading reports for the commit 899d653 to get more accurate results

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2555      +/-   ##
==========================================
+ Coverage   95.70%   95.73%   +0.03%     
==========================================
  Files         456      461       +5     
  Lines        4561     4551      -10     
  Branches      524      510      -14     
==========================================
- Hits         4365     4357       -8     
  Misses        127      127              
+ Partials       69       67       -2     

Files Changed	Coverage Δ
packages/search/lib/commands/SEARCH.ts	82.60% <ø> (ø)
packages/client/lib/client/index.ts	92.74% <75.00%> (-0.84%)	⬇️
packages/client/lib/client/commands.ts	100.00% <100.00%> (ø)
packages/client/lib/cluster/commands.ts	100.00% <100.00%> (ø)
packages/client/lib/commands/CLIENT_NO-TOUCH.ts	100.00% <100.00%> (ø)
packages/client/lib/commands/CLUSTER_MYSHARDID.ts	100.00% <100.00%> (ø)
packages/client/lib/commands/LATENCY_HISTORY.ts	100.00% <100.00%> (ø)
packages/client/lib/commands/RESTORE.ts	100.00% <100.00%> (ø)
packages/json/lib/commands/MERGE.ts	100.00% <100.00%> (ø)
packages/search/lib/commands/SEARCH_NOCONTENT.ts	100.00% <100.00%> (ø)

... and 11 files with indirect coverage changes

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[leibale]

@avinashkrishna613 redis@4.6.9/@redis/client@1.5.10 is on npm 🎉