docs: added a badge to the code ql workflow

[sashaphmn]

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PR-Codex overview

This PR updates the README.md file to modify the GitHub Actions workflow links and adds a badge for the codeql-analysis workflow.

Detailed summary

• Changed the link for the codeql-analysis workflow in the badge.
• Added an image badge for the codeql-analysis workflow.
• Retained the existing badge for the CI workflow.

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