Update release note.

Author: lcartey

change_notes/2024-10-20-8-13-fixes.md

@@ -3,4 +3,5 @@
    - Exclude results for local scope variables in functions that use assembly code, as CodeQL cannot determine the impact of the assembly.
    - Exclude false positives when an assignment is made to a struct field.
    - Exclude false positives where the object pointed to by the variable is modified using `*p++ = ...`.
-   - Exclude false positives for functions without bodies.
+   - Exclude false positives for functions without bodies.
+ - Rules that rely on the determination of side-effects of an expression may change as a result of considering `*p++ = ...` as having a side-effect on `p`.