mkosi: install libip4tc2 in debian/ubuntu

It's now a dlopen library and it is installed at build time via
libiptc-dev, but was never added to the running image.

Follow-up for 5b5f8f8

(cherry picked from commit d6bf9b6)
(cherry picked from commit 9c746dc)
(cherry picked from commit a326542)

Author: bluca

mkosi.conf.d/debian/10-debian.conf

@@ -33,6 +33,7 @@ Packages=
         libpopt0
         libpwquality1
         libqrencode4
+        libip4tc2
         libtss2-dev # Use the -dev package to avoid churn in updating version numbers
         netcat-openbsd
         policykit-1