libunistring 0.9.4

Update to latest stable release, remove incorporated patch, change
single quotes to double, use HTTPS on homepage.
libunistring: update 0.9.4 bottle.

Closes #32032.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
libvirt 1.2.8
libvirt: update 1.2.8 bottle.

Closes #32034.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
concurrencykit 0.4.4
concurrencykit: update 0.4.4 bottle.