There is an updated pull request by BenJarg against master on the void-packages repository

https://github.com/BenJarg/void-packages xrootd-5.6.5
https://github.com/void-linux/void-packages/pull/48324

xrootd: update to 5.6.5

#### Testing the changes
- I tested the changes in this PR: **briefly**

#### Local build testing
- I built this PR locally for my native architecture, (x86_64-glibc)
- I built this PR locally for these architectures:
  - x86_64-musl


A patch file from https://github.com/void-linux/void-packages/pull/48324.patch is attached