util/winutil: add constants from Win32 SDK for dll blocking mitigation policies

Fixes #13182

Signed-off-by: Aaron Klotz <[email protected]>

util/winutil/startupinfo_windows.go

@@ -35,9 +35,11 @@ const (
 
 // Mitigation flags from the Win32 SDK
 const (
-	PROCESS_CREATION_MITIGATION_POLICY_IMAGE_LOAD_NO_REMOTE_ALWAYS_ON       = (1 << 52)
-	PROCESS_CREATION_MITIGATION_POLICY_IMAGE_LOAD_NO_LOW_LABEL_ALWAYS_ON    = (1 << 56)
-	PROCESS_CREATION_MITIGATION_POLICY_IMAGE_LOAD_PREFER_SYSTEM32_ALWAYS_ON = (1 << 60)
+	PROCESS_CREATION_MITIGATION_POLICY_EXTENSION_POINT_DISABLE_ALWAYS_ON      = (1 << 32)
+	PROCESS_CREATION_MITIGATION_POLICY_BLOCK_NON_MICROSOFT_BINARIES_ALWAYS_ON = (1 << 44)
+	PROCESS_CREATION_MITIGATION_POLICY_IMAGE_LOAD_NO_REMOTE_ALWAYS_ON         = (1 << 52)
+	PROCESS_CREATION_MITIGATION_POLICY_IMAGE_LOAD_NO_LOW_LABEL_ALWAYS_ON      = (1 << 56)
+	PROCESS_CREATION_MITIGATION_POLICY_IMAGE_LOAD_PREFER_SYSTEM32_ALWAYS_ON   = (1 << 60)
 )
 
 // StartupInfoBuilder constructs a Windows STARTUPINFOEX and optional