Update Romanian strings for version 1.20.0

[tmihai20]

Check if this PR fulfills these requirements:

• My changes respect the Kodi add-on development rules
• I have read the CONTRIBUTING document.
• I made sure there wasn't another Pull Request opened for the same update/change
• I have successfully tested my changes locally

Types of changes

• New feature (non-breaking change which adds functionality)
• Feature change (non-breaking change which changes behaviour of an existing functionality)
• Improvement (non-breaking change which improves functionality)
• Bug fix (non-breaking change which fixes an issue)
• Breaking change (fix or feature that would cause existing functionality to change)
• Refactor (non-breaking performance or readability improvements)

Description

In case of Feature change / Breaking change:

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