fix: update charm description to retrigger build

Author: edisile

charm/charmcraft.yaml

@@ -12,7 +12,7 @@ bases:
 
 summary: The charm for the snapcraft.io website
 
-description: The charm for the snapcraft.io website, built with the PaaS app charmer
+description: The charm for the snapcraft.io website, built with the PaaS app charmer.
 
 extensions:
   - flask-framework