Update containers for cross-builds to Debian Bullseye
A new Debian stable release (Bullseye) saw the light of the world recently. We should start switching our cross-build containers for
-
Windows (done in #40306 (closed)) -
macOS (done in #40307 (closed)) -
Android (#40367 (closed)) -
https-everywhere (#40366 (closed))
over to it.
Edited by Georg Koppen