Update cards-platform-refresh.yaml to fix FAQ url (#426)

url for FAQ is absolute and points to the .md file, which doesn't
resolve. adjusted to relative url like the others as they work.

Author: ndjones

docs/cards-platform-refresh.yaml

@@ -5,7 +5,7 @@
 
 - title: Frequently Asked Questions
   content: Answers to some of your questions about what's happening.
-  url: https://docs.nesi.org.nz/General/FAQs/Common_questions_about_the_platform_refresh.md
+  url: General/FAQs/Common_questions_about_the_platform_refresh.md
   image: ./assets/icons/material/help.svg
 
 - title: Latest Updates