BLD: update vendored Meson: v1.6.1 and iOS support [wheel build]

rgommers · rgommers · commit db8ff5cda8da · 2025-04-29T11:11:30.000+02:00
These are PRs 18 and 19 from https://github.com/numpy/meson
diff --git a/vendored-meson/meson b/vendored-meson/meson
@@ -1 +1 @@
-Subproject commit 7300f5fd4c1c8b0406faeec4cc631f11f1ea324c
+Subproject commit 23ec306e65107f5ad39a03709799dc90ea678a54
