quincy 17.2.8 release reediness

We are getting ready to start validating and publishing the 17.2.8 release. In the meantime, we have 137 open PRs here => https://github.com/ceph/ceph/pulls?q=is%3Aopen+is%3Apr+milestone%3Aquincy Please review and consult with dev leads if some PRs are a must-include for this release. If so, pls assign the "17.2.8" milestone to them. TIA