yocto-builder/Dockerfile: Ubuntu 22.04

Upgrade to Ubuntu 22.04 because it is compatible with the Yocto
Project release Walnascar and provides a newer Python version.

Fixes:

RuntimeError: Sorry, python 3.9.0 or later is required for this version of bitbake

This work was sponsored by GOVCERT.LU.

Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>

.github/workflows/docker-images/yocto-builder/Dockerfile

@@ -2,7 +2,7 @@
 #
 # SPDX-License-Identifier: MIT
 
-FROM ubuntu:20.04
+FROM ubuntu:22.04
 
 ARG DEBIAN_FRONTEND="noninteractive"
 RUN apt-get update -qq
@@ -10,12 +10,13 @@ RUN apt-get install -y eatmydata
 
 # Yocto/OE build host dependencies
 # Keep this in sync with
-# https://git.yoctoproject.org/poky/tree/documentation/poky.yaml
+# https://git.yoctoproject.org/poky/tree/documentation/poky.yaml.in
+# https://git.yoctoproject.org/poky/tree/documentation/tools/host_packages_scripts/ubuntu_essential.sh
 RUN eatmydata apt-get install -qq -y \
-	gawk wget git diffstat unzip texinfo gcc build-essential chrpath \
-	socat cpio python3 python3-pip python3-pexpect xz-utils debianutils \
-	iputils-ping python3-git python3-jinja2 libegl1-mesa libsdl1.2-dev \
-	pylint3 xterm python3-subunit mesa-common-dev zstd liblz4-tool
+	build-essential chrpath cpio debianutils diffstat file gawk gcc \
+	git iputils-ping libacl1 liblz4-tool locales python3 python3-git \
+	python3-jinja2 python3-pexpect python3-pip python3-subunit socat \
+	texinfo unzip wget xz-utils zstd
 
 # en_US.UTF-8 is required by the build system
 RUN eatmydata apt-get install -qq -y locales \