Merge branch '42161-gitaly-commitservice-encoding-undefinedconversionerror-u-c124-from-utf-8-to-ascii-8bit' into 'master'

Resolve "Gitaly::CommitService: Encoding::UndefinedConversionError: U+C124 from UTF-8 to ASCII-8BIT"

Closes #42161

See merge request gitlab-org/gitlab-ce!16637