Flux v1 was archived in November 2022 as noted on the Migration and Support Timetable. Please read the news in Flux Legacy (v1) Retirement Plan which tells more about the free migration workshops, and other commercial support options that would still be available for some time.
The Flux Official Helm Repository contains only charts for Flux v1.
The latest release of Flux is no longer installed via Helm charts.
For more details on installing Flux please see the docs and follow the Getting Started guide.