Encoding error in RepositoryService#apply_gitattributes

https://sentry.gitlap.com/gitlab/gitlabcom/issues/132069/

Encoding::UndefinedConversionError: U+00F3 from UTF-8 to ASCII-8BIT
  lib/gitlab/gitaly_client/repository_service.rb:44:in `initialize'
    request = Gitaly::ApplyGitattributesRequest.new(repository: @gitaly_repo, revision: revision)
  lib/gitlab/gitaly_client/repository_service.rb:44:in `new'
    request = Gitaly::ApplyGitattributesRequest.new(repository: @gitaly_repo, revision: revision)
  lib/gitlab/gitaly_client/repository_service.rb:44:in `apply_gitattributes'
    request = Gitaly::ApplyGitattributesRequest.new(repository: @gitaly_repo, revision: revision)
  lib/gitlab/git/repository.rb:2042:in `gitaly_copy_gitattributes'
    gitaly_repository_client.apply_gitattributes(revision)
  lib/gitlab/git/repository.rb:976:in `block in copy_gitattributes'
    gitaly_copy_gitattributes(ref)
...
(57 additional frame(s) were not displayed)

U+00F3 from UTF-8 to ASCII-8BIT