Auto merge of #113931 - cuviper:ci-ubuntu-22.04, r=Mark-Simulacrum

ci: update ubuntu:20.04 builders to 22.04

This is mostly just maintenance to avoid bitrotting, but 22.04 also updates to cmake 3.22, so they don't need the manual builds from #113714 anymore.

src/ci/docker/host-aarch64/aarch64-gnu/Dockerfile

@@ -1,6 +1,7 @@
-FROM ubuntu:20.04
+FROM ubuntu:22.04
 
-RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+ARG DEBIAN_FRONTEND=noninteractive
+RUN apt-get update && apt-get install -y --no-install-recommends \
   g++ \
   make \
   ninja-build \
@@ -17,9 +18,6 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-ins
   xz-utils \
   && rm -rf /var/lib/apt/lists/*
 
-COPY scripts/cmake.sh /scripts/
-RUN /scripts/cmake.sh
-
 COPY scripts/sccache.sh /scripts/
 RUN sh /scripts/sccache.sh
 

src/ci/docker/host-x86_64/armhf-gnu/Dockerfile

@@ -1,6 +1,7 @@
-FROM ubuntu:20.04
+FROM ubuntu:22.04
 
-RUN apt-get update -y && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+ARG DEBIAN_FRONTEND=noninteractive
+RUN apt-get update -y && apt-get install -y --no-install-recommends \
       bc \
       bzip2 \
       ca-certificates \
@@ -34,14 +35,14 @@ WORKDIR /build
 # the kernel. This file was generated by running `make vexpress_defconfig`
 # followed by `make menuconfig` and then enabling the IPv6 protocol page.
 COPY host-x86_64/armhf-gnu/vexpress_config /build/.config
-RUN curl https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.4.253.tar.xz | \
+RUN curl https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.14.320.tar.xz | \
       tar xJf - && \
-      cd /build/linux-4.4.253 && \
+      cd /build/linux-4.14.320 && \
       cp /build/.config . && \
       make -j$(nproc) all && \
       cp arch/arm/boot/zImage /tmp && \
       cd /build &&  \
-      rm -rf linux-4.4.253
+      rm -rf linux-4.14.320
 
 # Compile an instance of busybox as this provides a lightweight system and init
 # binary which we will boot into. Only trick here is configuring busybox to
@@ -59,7 +60,7 @@ RUN curl https://www.busybox.net/downloads/busybox-1.32.1.tar.bz2 | tar xjf - &&
 # Download the ubuntu rootfs, which we'll use as a chroot for all our tests.
 WORKDIR /tmp
 RUN mkdir rootfs/ubuntu
-RUN curl https://cdimage.ubuntu.com/ubuntu-base/releases/20.04/release/ubuntu-base-20.04.1-base-armhf.tar.gz | \
+RUN curl https://cdimage.ubuntu.com/ubuntu-base/releases/22.04/release/ubuntu-base-22.04.2-base-armhf.tar.gz | \
       tar xzf - -C rootfs/ubuntu && \
       cd rootfs && mkdir proc sys dev etc etc/init.d
 
@@ -76,9 +77,6 @@ RUN arm-linux-gnueabihf-gcc addentropy.c -o rootfs/addentropy -static
 # Source of the file: https://github.com/vfdev-5/qemu-rpi2-vexpress/raw/master/vexpress-v2p-ca15-tc1.dtb
 RUN curl -O https://ci-mirrors.rust-lang.org/rustc/vexpress-v2p-ca15-tc1.dtb
 
-COPY scripts/cmake.sh /scripts/
-RUN /scripts/cmake.sh
-
 COPY scripts/sccache.sh /scripts/
 RUN sh /scripts/sccache.sh