ForgeJo icon for "Go to forge page" button

[foxyseta]

Clear and concise description of the problem

If you visit a repository page on Woodpecker for a project hosted on a ForgeJo instance, the "Go to forge" button between the pipeline badge and the "Settings" button is Gitea's icon.

Reference:
https://codeberg.org/Codeberg-CI/feedback/issues/177

Suggested solution

I think it should be Forgejo's, as it now a GitTea hard fork.

Alternative

A default, anonymous icon.

Additional context

No response

Validations

• Checked that the feature isn't part of the next version already [https://woodpecker-ci.org/faq#which-version-of-woodpecker-should-i-use]
• Read the docs.
• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.