Document GitHub Actions support / Add rust support

[felickz]

This pull request introduces docs for GitHub Actions workflows in CodeQL analysis and enhances debugging in the main.py script.

• add note about keeping v1 tag up to date
• add support for another new language rust: https://github.blog/changelog/2025-06-30-codeql-support-for-rust-now-in-public-preview/

[Copilot]

Pull Request Overview

This PR adds initial support for GitHub Actions in CodeQL language mapping and documents how to include Actions workflows via .gitattributes, along with temporary debug output in main.py.

• Added debug prints to main.py to trace language mappings
• Extended build_languages_list to map yaml to actions
• Documented GitHub Actions support in README.md with .gitattributes instructions

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
main.py	Inserted debug print statements and mapped yaml to actions
README.md	Added “Actions support” section with .gitattributes directives

Comments suppressed due to low confidence (2)

main.py:32

• This new mapping branch for yaml → actions should be covered by a unit test to ensure it’s correctly applied in build_languages_list.

        if languages[i] == "yaml":

README.md:97

• [nitpick] To improve clarity, consider renaming this header to ### GitHub Actions support so it aligns exactly with the terminology used elsewhere in the docs.

### Actions support

[GeekMasher]

Looks good, 🚢 it