Update the README

README.md

@@ -21,7 +21,7 @@ by strings of the following format: `<compiler>-<version>-<optional extras>-<c++
 | [debian:12](registry.dune-project.org/docker/ci/debian:12)    | Debian 12 (bookworm) with cmake 3.24 | **gcc-12-20**, gcc-12-noassert-20, clang-14-20, clang-14-20-libcxx, clang-14-noassert-20 |
 | [ubuntu:18.04](registry.dune-project.org/docker/ci/ubuntu:18.04) | Ubuntu LTS 18.04 with updated cmake 3.17 | **gcc-7-14**, gcc-7-noassert-14, gcc-7-17, gcc-7-noassert-17, clang-5-17, clang-6-17, clang-6-noassert-17 |
 | [ubuntu:20.04](registry.dune-project.org/docker/ci/ubuntu:20.04) | Ubuntu LTS 20.04 with cmake 3.16         | **gcc-9-17**, gcc-9-20, gcc-9-noassert-17, gcc-9-noassert-20, gcc-10-20, clang-10-17, clang-10-noassert-17, clang-10-20, clang-10-noassert-20 |
-| [ubuntu:23.04](registry.dune-project.org/docker/ci/ubuntu:23.04) | Ubuntu 23.04 with cmake 3.25         | **gcc-13-20**, gcc-13-23, clang-16-20, clang-16-23, clang-18-23, clang-18-libcpp-23   |
+| [ubuntu:22.04](registry.dune-project.org/docker/ci/ubuntu:22.04) | Ubuntu LTS 22.04 with cmake 3.22         | **gcc-11-20**, clang-14-20, clang-14-20-libcxx  |
 | [ubuntu:24.04](registry.dune-project.org/docker/ci/ubuntu:24.04) | Ubuntu LTS 24.04 with cmake 3.28         | **gcc-14-23**, gcc-14-26, clang-18-23, clang-18-libcpp-23, clang-18-26, clang-18-libcpp-26   |
 
 ### Core Images
@@ -36,7 +36,7 @@ There is also some default configurations for each version:
 | [dune:2.7](registry.dune-project.org/docker/ci/dune:2.7) | debian-10    | gcc-8-17  |
 | [dune:2.8](registry.dune-project.org/docker/ci/dune:2.8) | debian-11    | gcc-9-20  |
 | [dune:2.9](registry.dune-project.org/docker/ci/dune:2.9) | debian-11    | gcc-10-20  |
-| [dune:2.9](registry.dune-project.org/docker/ci/dune:2.10)| debian-11    | gcc-10-20  |
+| [dune:2.10](registry.dune-project.org/docker/ci/dune:2.10)| debian-11    | gcc-10-20  |
 | [dune:git](registry.dune-project.org/docker/ci/dune:git) | debian-12    | gcc-12-20  |