feat(#1616): add support for ipfs in metadata validation service

[MSzalowski]

List of changes

• add support for ipfs in metadata validation service

Checklist

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

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:white_check_mark: All checks succeeded

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[github-actions[bot]]

:white_check_mark: All checks succeeded

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:white_check_mark: All checks succeeded

[github-actions[bot]]

@MSzalowski This PR is in the tag: develop-ac6ba3d121a87a7a77c1b2cc998ba41b708dc5f5 , for govtool-metadata-validation service

[github-actions[bot]]

@MSzalowski This PR is in the tag: develop-ac6ba3d121a87a7a77c1b2cc998ba41b708dc5f5 , for govtool-frontend service