fix: update store_api package (#5218)

Author: edisile

requirements.txt

@@ -5,7 +5,7 @@ canonicalwebteam.discourse==6.3.0
 canonicalwebteam.blog==6.4.6
 canonicalwebteam.search==2.1.2
 canonicalwebteam.image-template==1.6.0
-canonicalwebteam.store-api==6.6.0
+canonicalwebteam.store-api==6.7.0
 canonicalwebteam.launchpad==0.9.0
 django-openid-auth==0.17
 Flask-OpenID==1.3.0