Replace requests-auth-aws-sigv4 with boto3 signing

[AndreKurait]

Description

Replace requests-auth-aws-sigv4 with boto3 signing

• Category: Bug fix
• Why these changes are required? better security with sigv4 by using trusted library and bug fixes
• What is the old behavior before changes and new behavior after changes? Some calls would fail that included ?v or * in url

Issues Resolved

MIGRATIONS-2099

Is this a backport? If so, please add backport PR # and/or commits #

Testing

Added unit tests

Tested locally against an aws cluster with sigv4

(.venv) bash-5.2# console clusters clear-indices --cluster target --acknowledge-risk
Performing clear indices operation...

(.venv) bash-5.2# console clusters curl -XGET target_cluster /_cat/indices?v
health status index                     uuid                   pri rep docs.count docs.deleted store.size pri.store.size
green  open   .opensearch-observability pfTL2UhYS_WCRVfqJTx6Bg   1   2          0            0       624b           208b
green  open   .plugins-ml-config        4ox10VJMTFSXHTBERLp-Lg   1   1          1            0      7.8kb          3.9kb
green  open   .ql-datasources           iQ014_ShS4eYj9e-RSMZpg   1   2          0            0       624b           208b
green  open   .kibana_1                 OqJWIofcRUeXYvf8YDS0OA   1   2          1            0     15.6kb          5.2kb

Check List

• New functionality includes testing
  • All tests pass, including unit test, integration test and doctest
• New functionality has been documented
• Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.21%. Comparing base (d0a0b6f) to head (97b6525).
Report is 19 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1077      +/-   ##
============================================
+ Coverage     80.19%   80.21%   +0.02%     
- Complexity     2863     2866       +3     
============================================
  Files           383      383              
  Lines         14333    14358      +25     
  Branches        988      988              
============================================
+ Hits          11494    11517      +23     
- Misses         2245     2247       +2     
  Partials        594      594              

Flag	Coverage Δ
gradle-test	78.20% <ø> (-0.01%)	⬇️
python-test	90.33% <100.00%> (+0.08%)	⬆️

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[mikaylathompson]

That is a fantastic test. Thanks for making it so comprehensive. I'm impressed how surgical this change is overall.

[mikaylathompson]

This integrates it so elegantly! I like it!