change serverity to blocker for G-1060

because it may lead to a bug without changing the code.

Author: PhilippSalvisberg

docs/4-language-usage/1-general/g-1060.md

@@ -1,6 +1,6 @@
 # G-1060: Avoid storing ROWIDs or UROWIDs in database tables.
 
-!!! danger "Critical"
+!!! bug "Blocker"
     Reliability
 
 ## Reason