support/scripts/pkg-stats: fix 'dictionary' typo

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit db6a029a50a36adb86549b22f556b4f66e072417)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

support/scripts/pkg-stats

@@ -1209,7 +1209,7 @@ def dump_html(packages, stats, date, commit, output):
 
 
 def dump_json(packages, defconfigs, stats, date, commit, output):
-    # Format packages as a dictionnary instead of a list
+    # Format packages as a dictionary instead of a list
     # Exclude local field that does not contains real date
     excluded_fields = ['url_worker', 'name', 'tree_path']
     pkgs = {