ci: Bump i686_multiprocess.sh to latest Ubuntu LTS

There is no need to have it stuck on the previous one.
This is needed for the next commit.

Author: MarcoFalke

ci/test/00_setup_env_i686_multiprocess.sh

@@ -8,7 +8,7 @@ export LC_ALL=C.UTF-8
 
 export HOST=i686-pc-linux-gnu
 export CONTAINER_NAME=ci_i686_multiprocess
-export CI_IMAGE_NAME_TAG="docker.io/amd64/ubuntu:20.04"
+export CI_IMAGE_NAME_TAG="docker.io/amd64/ubuntu:22.04"
 export PACKAGES="cmake llvm clang g++-multilib"
 export DEP_OPTS="DEBUG=1 MULTIPROCESS=1"
 export GOAL="install"