Migrate GCC CI jobs to run on GCC 11, 12, and 13 (#6865)

scripts/ci/before_install.i686.sh

@@ -1,6 +0,0 @@
-#!/bin/sh -ex
-
-sudo dpkg --add-architecture i386
-sudo add-apt-repository --yes ppa:ubuntu-toolchain-r/test && ( sudo apt-get update -qq --yes || true )
-
-sudo apt-get install -qq --yes --force-yes g++-9-multilib libxml2-dev:i386 libexpat1-dev:i386 libzip-dev:i386 libbz2-dev:i386 libtbb-dev:i386 lua5.2:i386 liblua5.2-dev:i386 libboost-date-time-dev:i386 libboost-filesystem-dev:i386 libboost-iostreams-dev:i386 libboost-program-options-dev:i386 libboost-regex-dev:i386 libboost-system-dev:i386 libboost-thread-dev:i386 libboost-test-dev:i386

scripts/ci/undefinedsanitizer.conf

@@ -1,3 +1,4 @@
+alignment:src/contractor/graph_contractor.cpp
 enum:include/tbb/pipeline.h
 vptr:src/util/log.cpp
 vptr:include/tbb/task.h
@@ -13,4 +14,4 @@ signed-integer-overflow:include/engine/internal_route_result.hpp
 pointer-overflow:third_party/sol2/sol/stack_core.hpp
 pointer-overflow:third_party/rapidjson/include/rapidjson/internal/stack.h
 nonnull-attribute:third_party/microtar/src/microtar.c
-integer-divide-by-zero:unit_tests/library/route.cpp
+integer-divide-by-zero:unit_tests/library/route.cpp