[narval/debcheck] use a glob instead of a recursive os.walk to find *.changes
We know where those files are, there's no need to do a recursive search.
This also avoids issues with os.walk with non-ascii file names.
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include *.py
recursive-include _narval *.py *.js README
recursive-include views *.py
recursive-include entities *.py
recursive-include migration *.py
recursive-include _apycotlib *.py
recursive-include data *.gif *.png *.css *.ico *.js *.svg
recursive-include i18n *.pot *.po
recursive-include doc *
recursive-include wdoc *