Update info on tested toolsets.

README.adoc

@@ -16,19 +16,23 @@ Continuously tested on:
 
 * FreeBSD Clang 10, 11, 12, 13, 14, 15, 16
 * FreeBSD GCC 8, 9, 10, 11, 12, 13
-* Linux Clang 9, 10, 11, 12, 13, 14, 15, 16
+* Linux Clang 10, 11, 12, 13, 14, 15, 16
 * Linux GCC 9, 10, 11, 12, 13
 * macOS Xcode 11.7, 12.4, 12.5.1, 13.4.1, 14.0.1, 14.1, 14.2
 * Windows MinGW 8.1.0
 * Windows 2015, 2017, 2019, 2022
+* Windows MSYS2 MinGW64/32 Clang-16, MinGW64/32 GCC-13
 * Cygwin 3.1.7 x64
+* Ubuntu 22.04 GCC 11 (armhf, arm64, ppc64el)
 * Ubuntu 20.04 GCC 9 (armhf, arm64, ppc64el)
 * Debian 11 GCC 10 (armhf)
 
 image:https://img.shields.io/azure-devops/build/bfgroup/3a4e7a7e-c1b4-4e2f-9199-f52918ea06c6/3/main.svg?label=main&logo=azuredevops["Linux/Windows/macOS: main", link="https://dev.azure.com/bfgroup/B2"]
 image:https://img.shields.io/appveyor/build/bfgroup/b2?logo=appveyor["Windows", link="https://ci.appveyor.com/project/bfgroup/b2"]
-image:https://api.cirrus-ci.com/github/bfgroup/b2.svg?branch=release["FreeBSD: release", link="https://cirrus-ci.com/github/bfgroup/b2/release"]
-image:https://api.cirrus-ci.com/github/bfgroup/b2.svg?branch=main["FreeBSD: main", link="https://cirrus-ci.com/github/bfgroup/b2/main"]
+image:https://img.shields.io/cirrus/github/bfgroup/b2?logo=cirrusci&label=release["FreeBSD: release", link="https://cirrus-ci.com/github/bfgroup/b2/release"]
+image:https://img.shields.io/cirrus/github/bfgroup/b2?logo=cirrusci&label=main["FreeBSD: main", link="https://cirrus-ci.com/github/bfgroup/b2/main"]
+image:https://img.shields.io/github/actions/workflow/status/bfgroup/b2/qemu_multiarch_linux.yml?logo=github["Ubuntu 22.04 GCC 11 (armhf, arm64, ppc64el)", link="https://github.com/bfgroup/b2/actions/workflows/qemu_multiarch_linux.yml"]
+image:https://img.shields.io/github/actions/workflow/status/bfgroup/b2/core_tests.yml?logo=github["Windows MSYS2 MinGW64/32 Clang-16, MinGW64/32 GCC-13", link="https://github.com/bfgroup/b2/actions/workflows/core_tests.yml"]
 
 NOTE: A C+\+11 capable compiler is needed to build the `b2` engine. But using
 the `b2` engine and build system does not require C++11.