Gecko sync update

Author: moz-wptsync-bot

css/css-viewport/zoom/META.yml

@@ -90,3 +90,7 @@ links:
   results:
   - test: border-image-width.html
   url: https://bugzilla.mozilla.org/show_bug.cgi?id=1997532
+- product: firefox
+  results:
+  - test: svg-font-relative-units.html
+  url: https://bugzilla.mozilla.org/show_bug.cgi?id=1997746