update the version number to 3.3.0 instead of 3.2.8

PiperOrigin-RevId: 731397143
Change-Id: I54089f1678097acf7e4998958effb396da1e47be

unity/Editor/Bindings/MujocoBinaryRetriever.cs

@@ -37,7 +37,7 @@ public class MujocoBinaryRetriever {
           if (AssetDatabase.LoadMainAssetAtPath(mujocoPath + "/mujoco.dylib") == null) {
             File.Copy(
                 "/Applications/MuJoCo.app/Contents/Frameworks" +
-                "/mujoco.framework/Versions/Current/libmujoco.3.2.8.dylib",
+                "/mujoco.framework/Versions/Current/libmujoco.3.3.0.dylib",
                 mujocoPath + "/mujoco.dylib");
             AssetDatabase.Refresh();
           }
@@ -45,7 +45,7 @@ public class MujocoBinaryRetriever {
           if (AssetDatabase.LoadMainAssetAtPath(mujocoPath + "/libmujoco.so") == null) {
             File.Copy(
                 Environment.GetFolderPath(Environment.SpecialFolder.UserProfile) +
-                "/.mujoco/mujoco-3.2.8/lib/libmujoco.so.3.2.8",
+                "/.mujoco/mujoco-3.3.0/lib/libmujoco.so.3.3.0",
                 mujocoPath + "/libmujoco.so");
             AssetDatabase.Refresh();
           }