Adjusted cocoa link image size

Author: maccasoft

spin-tools/src/com/maccasoft/propeller/AboutDialog.java

@@ -253,7 +253,7 @@ protected void createButtonsForButtonBar(Composite parent) {
 
     void createKoFiLabel(Composite parent) {
         int zoom = switch (Platform.PLATFORM) {
-            case "cocoa" -> 50;
+            case "cocoa" -> 70;
             case "win32" -> 80;
             default -> 100;
         };