code analysis: improvements to c6064

MORSE recently asked us to improve documentation for C6064 specifically
asking us to go into detail explaining why this warning is cause for
concern.

This change explictly outlines possible outcomes of ignoring this
warning.

Author: carsonRadtke

docs/code-quality/c6064.md

@@ -13,7 +13,7 @@ This warning indicates that the code doesn't provide enough arguments to match a
 
 ## Remarks
 
-This defect is likely to cause incorrect output and, in more dangerous cases, can lead to stack overflow.
+Supplying too few arguments to a format function leads to undefined behavior, because the function attempts to read values that were never passed. Possible consequences include incorrect output, crashes, or even security vulnerabilities such as information leaks. To ensure stability and safety, always match the number and types of arguments to the format specifiers in the string.
 
 Code analysis name: `MISSING_INTEGER_ARGUMENT_TO_FORMAT_FUNCTION`