Edited amalgamated file generator, to block REUSE from getting confused

It struggled with the copyright lines included as string literals.

tools/scripts/generateAmalgamatedFiles.py

@@ -1,4 +1,9 @@
 #!/usr/bin/env python3
+#              Copyright Catch2 Authors
+# Distributed under the Boost Software License, Version 1.0.
+#   (See accompanying file LICENSE.txt or copy at
+#        https://www.boost.org/LICENSE_1_0.txt)
+# SPDX-License-Identifier: BSL-1.0
 
 import os
 import re
@@ -12,6 +17,8 @@ starting_header = os.path.join(root_path, 'catch2', 'catch_all.hpp')
 output_header = os.path.join(catchPath, 'extras', 'catch_amalgamated.hpp')
 output_cpp = os.path.join(catchPath, 'extras', 'catch_amalgamated.cpp')
 
+# REUSE-IgnoreStart
+
 # These are the copyright comments in each file, we want to ignore them
 copyright_lines = [
 '//              Copyright Catch2 Authors\n',
@@ -39,6 +46,8 @@ file_header = '''\
 //  ----------------------------------------------------------
 '''
 
+# REUSE-IgnoreEnd
+
 # Returns file header with proper version string and generation time
 def formatted_file_header(version):
     return file_header.format(version_string=version.getVersionString(),