AGit PR creation with LFS objects

[AdamMajer]

Feature Description

Currently, it's impossible to create PRs with LFS objects if you do not have write access to target repository,

> git push origin HEAD:refs/for/main/foobar
Remote "origin" does not support the Git LFS locking API. Consider disabling it with:
  $ git config lfs.https://demo.gitea.com/gnuman/test.git/info/lfs.locksverify false
batch request: error::   0% (0/1), 0 B | 0 B/s                                                                               
error: User: 1460:adamm2 with Key: 37:t is not authorized to write to gnuman/test.
error:: exit status 1
error: failed to push some refs to 'demo.gitea.com:gnuman/test.git'

Screenshots

No response