ImagePreprocessor: Fix license header

image_analysis/image_preprocessing/ImagePreprocessor.cpp

@@ -1,6 +1,5 @@
-//
-// Created by jungfrau on 4/22/26.
-//
+// SPDX-FileCopyrightText: 2026 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
+// SPDX-License-Identifier: GPL-3.0-only
 
 #include "ImagePreprocessor.h"
 

image_analysis/image_preprocessing/ImagePreprocessor.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2024 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
+// SPDX-FileCopyrightText: 2026 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
 // SPDX-License-Identifier: GPL-3.0-only
 
 #pragma once