Generate Minetest.app on macOS 12, so at least macOS 12 will be supported

.github/workflows/macos.yml

@@ -29,8 +29,8 @@ on:
 
 jobs:
   build:
-    # use macOS 13 since it's the last one that still runs on x86
-    runs-on: macos-13
+    # use lowest possible macOS running on x86_64 to support more users
+    runs-on: macos-12
     steps:
       - uses: actions/checkout@v4
       - name: Install deps

src/util/numeric.h

@@ -28,6 +28,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "SColor.h"
 #include <matrix4.h>
 #include <cmath>
+#include <algorithm>
 
 #define rangelim(d, min, max) ((d) < (min) ? (min) : ((d) > (max) ? (max) : (d)))
 #define myfloor(x) ((x) < 0.0 ? (int)(x) - 1 : (int)(x))