Fix artifacthub.io annotation (#670)

Signed-off-by: Cintia Sánchez García <cynthiasg@icloud.com>

Author: cynthia-sg

charts/gitvote/Chart.yaml

@@ -27,7 +27,7 @@ annotations:
     - kind: added
       description: Audit page
     - kind: added
-      description: Extra location for config: .github directory
+      description: "Extra location for config: .github directory"
     - kind: added
       description: Some tests for templates
     - kind: changed