[ecosystem] Fix heading ID for included section (#6419)

Author: chalin

content/en/ecosystem/_includes/keep-up-to-date.md

@@ -1,7 +1,7 @@
 ---
 ---
 
-## Keeping {{ $1 }} information current
+## Keeping {{ $1 }} information current {#keeping-up-to-date}
 
 Ensure that you keep your {{ $1 }} information up-to-date, otherwise we might
 update or remove it from the registry or [ecosystem list]. For details, see