feat: add blas/base/cgbmv

[DivitJain26]

Resolves #{{TODO: add issue number}}.

Description

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• {{TODO: add description describing what this pull request does}}

Related Issues

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This pull request has the following related issues:

• [RFC]: Add BLAS bindings and implementations for linear algebra (tracking issue) #2039

Questions

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Other

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• References
  • https://oneapi-spec.uxlfoundation.org/specifications/oneapi/v1.4-rev-1/elements/onemath/source/domains/matrix-storage
  • https://www.intel.com/content/www/us/en/docs/onemkl/developer-reference-c/2024-2/cblas-gbmv.html#GUID-2FB74140-ADF9-4D82-8644-FD32025F6B71

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• Read, understood, and followed the contributing guidelines.

AI Assistance

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{{TODO: add disclosure if applicable}}

---

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Coverage Report

Package	Statements	Branches	Functions	Lines
blas/base/cgbmv	$\color{red}628/633$ $\color{green}+99.21%$	$\color{red}85/89$ $\color{green}+95.51%$	$\color{green}4/4$ $\color{green}+100.00%$	$\color{red}628/633$ $\color{green}+99.21%$

The above coverage report was generated for the changes in this PR.