Upgrade Meson support version number two 0.52.0.

dreamer-coding · web-flow · commit bcbb476e20d6 · 2019-10-12T08:38:10.000-07:00
This is because Meson now has better support for static libraries.
diff --git a/meson.build b/meson.build
@@ -13,7 +13,7 @@
 
 project('unity', 'c',
     license         : 'MIT',
-    meson_version   : '>=0.50.0',
+    meson_version   : '>=0.52.0',
     default_options: [
         'buildtype=minsize',
         'optimization=3', 
