We now install newer meson via pip instead of apt-get.
BUG=none
TEST=run GitHub action on my personal account
Change-Id: Icbe55bf06e84253cd26e676647bca17408ab9d9b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3251824
Auto-Submit: Keiichi Watanabe <keiichiw@chromium.org>
Commit-Queue: Dennis Kempin <denniskempin@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Dennis Kempin <denniskempin@google.com>