Enable higher Meson warning level
Meson has 3 warning levels. We currently use 2 in our default Meson settings, but if we suppress GCC's pedantic warnings, we can switch to using warning level 3 in CI to catch more failures earlier.
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Meson has 3 warning levels. We currently use 2 in our default Meson settings, but if we suppress GCC's pedantic warnings, we can switch to using warning level 3 in CI to catch more failures earlier.