dep5-wheel: add helpers version file

.reuse/dep5-wheel

@@ -3,18 +3,20 @@ Upstream-Name: pypdfium2
 Upstream-Contact: geisserml <[email protected]>
 Source: https://github.com/pypdfium2-team/pypdfium2
 
-# This file contains copyright info for data files included in our wheel packages.
+# This file contains copyright info for data files included in our binary wheel packages.
 # See also .reuse/dep5 regarding copyright of data files in the project directory.
 
 Files:
-    pypdfium2_raw/version.json
     pypdfium2_raw/bindings.py
+    pypdfium2_raw/version.json
+    pypdfium2_helpers/version.json
 Copyright:
     2023 geisserml
     2023 ctypesgen developers
 License: Apache-2.0 OR BSD-3-Clause
 Comment:
-    Auto-generated by pypdfium2/ctypesgen. Probably not copyrighted.
+    Auto-generated by ctypesgen/pypdfium2.
+    pypdfium2_helpers/... applies only if the helpers module is included.
 
 Files:
     pypdfium2_raw/libpdfium.so