submodules: update nightly branch

Jenkinsfile

Makefile

Makefile.packaging

build.py

client-android

client-gnome

client-ios

client-qt

daemon

docker/Dockerfile_fedora_33

docker/Dockerfile_fedora_34

docker/Dockerfile_fedora_35

docker/Dockerfile_opensuse-leap_15.3

docker/Dockerfile_ubuntu_18.04

docs/source/dev/compiling_and_installing/index.rst

docs/source/dev/compiling_and_installing/jami-project.rst

docs/source/dev/releasing.rst

guix/channels.scm

guix/manifest.scm

lrc