[ptl][election][keystone] PTL Candidacy for 2024.2

Hello, I would like to continue my tenure as PTL of Keystone.  Over the past cycle we have made some great progress especially around the cadence in getting patches reviewed and merged.  I would like to focus this next cycle on seeing that [1] is implemented as well as some much needed backlog cleanup.  I would also, finally, like to get a "known-issues" section added to the documentation as well as ensuring that our documentation is up to date.  Thanks for your time and support and I'm looking forward to another great cycle. [1]: https://specs.openstack.org/openstack/keystone-specs/specs/keystone/2024.1/v... /Dave