Update Gitea to v1.22.xx

[mlqn]

Description

Our current version of Gitea is v1.21.10. We can't update it to v1.21.11 as it introduces a bug that causes the user to not be redirected to the dashboard after logging in, as the redirect_to parameter is ignored.

This seems to be fixed in the following version v1.22.xx, but this new version introduces a new restriction that prevents redirecting the user outside of Gitea. A solution that could work would be to redirect the user to a "fake" URL within Gitea and use this URL in Nginx to redirect the user to the dashboard.

Additional Information

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Tasks

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Acceptance Criterias

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