feat(#2070): add labels to supporting links in governance action details

[MSzalowski]

List of changes

• add labels to supporting links in governance action details

Checklist

• related issue
• [x] My changes generate no new warnings
• [x] My code follows the style guidelines of this project
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the changelog
• [x] I have added tests that prove my fix is effective or that my feature works

[github-actions[bot]]

:white_check_mark: All checks succeeded

[github-actions[bot]]

:white_check_mark: All checks succeeded

[github-actions[bot]]

:white_check_mark: All checks succeeded

[github-actions[bot]]

:white_check_mark: All checks succeeded

[github-actions[bot]]

:white_check_mark: All checks succeeded

[github-actions[bot]]

:white_check_mark: All checks succeeded

[github-actions[bot]]

@MSzalowski This PR is in the tag: develop-09b1ecaa77978bcdfc5590206237d1fe7d787f46 , for govtool-frontend service

[github-actions[bot]]

@MSzalowski This PR is in the tag: develop-09b1ecaa77978bcdfc5590206237d1fe7d787f46 , for govtool-metadata-validation service

[github-actions[bot]]

@MSzalowski This PR is in the tag: develop-09b1ecaa77978bcdfc5590206237d1fe7d787f46 , for govtool-backend service