fixed broken png url on image meta tag

[gdjohn4s]

Description

The old url used in meta tags was broken. This pr replace old url with the new one using this image as website preview:

Checklist

• [x] My submission is formatted according to the guidelines in the contributing guide
• [x] My submission has a useful description
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• [x] Code has been tested thoroughly.
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• [x] Pull request description clearly describes the changes included in the pull request.
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