chore(README): include docs about OSV Scanner and dependency scanning

[capachino]

No description provided.

[github-actions]

🤖 Hi @capachino, I've received your request, and I'm working on it now! You can track my progress in the logs for more details.

[github-actions]

## 📋 Review Summary

This pull request adds documentation for the new /security:scan-deps command, which integrates OSV-Scanner for dependency scanning. The changes are clear and well-written, providing a good overview of the feature for users.

🔍 General Feedback

• The new section is well-structured and provides useful information about the dependency scanning feature.
• The use of links to OSV-Scanner and OSV.dev is helpful for users who want to learn more.

[github-actions]

🟢 For consistency with other lists in documentation, it's often better to use sentence case without trailing periods for list items.

Suggested change

	## GitHub Integration
	- **Which dependencies are vulnerable.**
	- **Details about the specific vulnerabilities**, including their severity and identifiers.
	- **Guidance on how to remediate the issues**, such as which version to upgrade to.

[github-actions]

## 📋 Security Analysis Summary

This Pull Request updates the README.md file to include documentation about the OSV Scanner and dependency scanning capabilities. The changes are purely documentation-related and do not introduce any new code or functionality.

🔍 General Feedback

• The documentation changes are clear and informative.
• No security vulnerabilities were introduced in this pull request.