[DRAFT] Ruby Support - More EVP_PKEY_DSA

[justsmth]

Issues:

Resolves #ISSUE-NUMBER1
Addresses #ISSUE-NUMBER2

Description of changes:

Describe AWS-LC’s current behavior and how your code changes that behavior. If there are no issues this pr is resolving, explain why this change is necessary.

Call-outs:

Point out areas that need special attention or support during the review process. Discuss architecture or design changes.

Testing:

How is this change tested (unit tests, fuzz tests, etc.)? Are there any testing steps to be verified by the reviewer?

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license and the ISC license.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 80.30303% with 65 lines in your changes missing coverage. Please review.

Please upload report for BASE (main@8d9809e). Learn more about missing BASE report.
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
crypto/evp_extra/p_dsa.c	81.31%	37 Missing ⚠️
crypto/evp_extra/evp_extra_test.cc	76.47%	12 Missing and 12 partials ⚠️
crypto/fipsmodule/evp/evp_ctx_test.cc	84.61%	2 Missing and 2 partials ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1954   +/-   ##
=======================================
  Coverage        ?   78.69%           
=======================================
  Files           ?      587           
  Lines           ?   101252           
  Branches        ?    14364           
=======================================
  Hits            ?    79682           
  Misses          ?    20922           
  Partials        ?      648           

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