fix: update Python version check to support Python 4+ across all platform detectors

Author: msanatan

UnityMcpBridge/Editor/Dependencies/PlatformDetectors/LinuxPlatformDetector.cs

@@ -226,10 +226,10 @@ private bool TryValidatePython(string pythonPath, out string version, out string
                     version = output.Substring(7); // Remove "Python " prefix
                     fullPath = pythonPath;
 
-                    // Validate minimum version (3.10+)
+                    // Validate minimum version (Python 4+ or Python 3.10+)
                     if (TryParseVersion(version, out var major, out var minor))
                     {
-                        return major >= 3 && minor >= 10;
+                        return major > 3 || (major >= 3 && minor >= 10);
                     }
                 }
             }

UnityMcpBridge/Editor/Dependencies/PlatformDetectors/MacOSPlatformDetector.cs

@@ -226,10 +226,10 @@ private bool TryValidatePython(string pythonPath, out string version, out string
                     version = output.Substring(7); // Remove "Python " prefix
                     fullPath = pythonPath;
 
-                    // Validate minimum version (3.10+)
+                    // Validate minimum version (Python 4+ or Python 3.10+)
                     if (TryParseVersion(version, out var major, out var minor))
                     {
-                        return major >= 3 && minor >= 10;
+                        return major > 3 || (major >= 3 && minor >= 10);
                     }
                 }
             }

UnityMcpBridge/Editor/Dependencies/PlatformDetectors/WindowsPlatformDetector.cs

@@ -214,10 +214,10 @@ private bool TryValidatePython(string pythonPath, out string version, out string
                     version = output.Substring(7); // Remove "Python " prefix
                     fullPath = pythonPath;
 
-                    // Validate minimum version (3.10+)
+                    // Validate minimum version (Python 4+ or Python 3.10+)
                     if (TryParseVersion(version, out var major, out var minor))
                     {
-                        return major >= 3 && minor >= 10;
+                        return major > 3 || (major >= 3 && minor >= 10);
                     }
                 }
             }