circleci: use meson configure rather than mesonconf
circleci: use meson configure rather than mesonconf

This broke with meson 0.44 and results in an error:
RuntimeError: Could not determine how to run Meson. Please file a bug with details.

See https://github.com/mesonbuild/meson/issues/2761

Signed-off-by: Peter Hutterer <b9c50af7afa7642f6f854434cda9ffe54ece8b85@who-t.net>

libratbag/libratbag,whot/libratbag,libratbag/libratbag,libratbag/libratbag,whot/libratbag,whot/libratbag