meson CI: disable NLS for macOS

Something is wrong with meson and the latest macOS runner. Disable intl
for now.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

.github/workflows/on_PR_meson.yaml

@@ -141,7 +141,7 @@ jobs:
 
       - name: Compile and Test
         run: |
-          meson setup "${{github.workspace}}/build" -Dauto_features=${{matrix.deps}} -Dwarning_level=3
+          meson setup "${{github.workspace}}/build" -Dauto_features=${{matrix.deps}} -Dwarning_level=3 -Dnls=disabled
           meson compile -C "${{github.workspace}}/build"
           meson test -C "${{github.workspace}}/build"
   FreeBSD: