[b/551874614] Migration of IBM_SECURITY_VERIFY_SAAS logtype from Piper workspace to github

[shridharn-stack]

Description : The purpose of this migration is to establish a community Git repository that enables customer-driven parser updates. Customers will be able to pull the codebase, make modifications, and submit their changes for review and approval by the CBN team.

Log_types:

1. IBM_SECURITY_VERIFY_SAAS

Checklist:

Please ensure you have completed the following items before submitting your PR. This helps us review your contribution faster and more efficiently.

General Checks:

• I have read and followed the project's contributing.md guide.
• My code follows the project's coding style guidelines.
• I have performed a self-review of my own code.
• My changes do not introduce any new warnings.
• My changes pass all existing tests.
• I have added new tests where appropriate to cover my changes. (If applicable)
• I have updated the documentation where necessary (e.g., README, API docs). (If applicable)

Open-Source Specific Checks:

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