debootstrap.patch: add bug/commit annotation
+Debian Bug: #930684, #968927
+Commit: https://salsa.debian.org/installer-team/debootstrap/-/commit/87cdebbcad6f4e16ba711227cbbbd70039f88752
--- /usr/share/debootstrap/functions 2020-03-19 23:52:15.932784227 +0000
+++ /usr/share/debootstrap/functions 2020-03-19 23:53:56.137329010 +0000
