Merge branch 'bwill/add-missing-normalization-on-purl-encode' into 'master'

Normalize namespace and name when encoding purl strings

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/127792



Merged-by: Nicolas Dular <ndular@gitlab.com>
Approved-by: Igor Frenkel <ifrenkel@gitlab.com>
Approved-by: Nicolas Dular <ndular@gitlab.com>
Reviewed-by: Nicolas Dular <ndular@gitlab.com>
Reviewed-by: Brian Williams <bwilliams@gitlab.com>
Co-authored-by: Brian Williams <bwilliams@gitlab.com>