Update GitLab Pages version

https://gitlab.com/gitlab-org/gitlab-pages/-/compare/c222f55359efa198efd2c26d6d1c305a50619119...501588fde1b1d35d9d4e441cf1455da9e49e5b9c?from_project_id=734943&straight=false Changelog: changed

Update GitLab Pages version
4503399d · Naman Jagdish Gala · GitLab · 07509bad · 4503399d
--- a/GITLAB_PAGES_VERSION
+++ b/GITLAB_PAGES_VERSION
-c222f55359efa198efd2c26d6d1c305a50619119
+501588fde1b1d35d9d4e441cf1455da9e49e5b9c