Update usage of UrlBlocker to HTTP_V2 in services

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/142112



Merged-by: Stan Hu <stanhu@gmail.com>
Approved-by: Furkan Ayhan <furkanayhn@gmail.com>
Reviewed-by: Rajendra Kadam <rkadam@gitlab.com>
Co-authored-by: Rajendra Kadam <rkadam@gitlab.com>