As the docs of codeberg refer to the strings printed by the Forgejo
ssh servers, this is user-facing and is nice to update to the new
product name.
(cherry picked from commit 103991d73f)
(cherry picked from commit 2a0d3f85f1)
(cherry picked from commit eb2b4ce388)
(cherry picked from commit 0998b51716)
[BRANDING] forgejo log message
(cherry picked from commit d51a046ebe)
(cherry picked from commit d66e1c7b6e)
(cherry picked from commit b5bffe4ce8)
(cherry picked from commit 3fa776d856)
(cherry picked from commit 18d064f472)
(cherry picked from commit c95094e355)
(cherry picked from commit 5784290bc4)
