Find or build meson build tool

Changes for 0.04 - 2023-10-28T21:26:14-04:00

• Fix missing $VERSION. See <https://github.com/PerlAlien/Alien-Meson/pull/12>.
• Fix extraction of binary on Windows. See <https://github.com/PerlAlien/Alien-Meson/pull/13>.
• Fix interpolation of helper (specifically fixes source install). See <https://github.com/PerlAlien/Alien-Meson/pull/13>.