[all-commits] [llvm/llvm-project] ec3950: [libc++][CI] Update tools in Docker.

[Mark de Wever via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ec39506cfcc6288d71ec7e863ffa88a449cca788
      https://github.com/llvm/llvm-project/commit/ec39506cfcc6288d71ec7e863ffa88a449cca788
  Author: Mark de Wever <koraq at xs4all.nl>
  Date:   2023-07-31 (Mon, 31 Jul 2023)

  Changed paths:
    M libcxx/utils/ci/Dockerfile

  Log Message:
  -----------
  [libc++][CI] Update tools in Docker.

Switch to LLVM-18 as ToT version.
Use the latest official CMake 3.27 release.

Reviewed By: #libc, philnik

Differential Revision: https://reviews.llvm.org/D156593