Add bug aomedia:3545 to CHANGELOG for v3.8.2

Bug: aomedia:3547
Change-Id: I0cc2f8e60d84e0f888dee27060715d7e49c37766

CHANGELOG

diff --git a/CHANGELOG b/CHANGELOG
index 5ebba2d..c95ac37 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,4 +1,4 @@
-2024-03-07 v3.8.2
+2024-03-08 v3.8.2
   This release includes several bug fixes. This release is ABI
   compatible with the last release. See
   https://aomedia.googlesource.com/aom/+log/v3.8.1..v3.8.2 for all the
@@ -11,6 +11,9 @@
     * aomedia:3543: invalid feature modifier when compiling
       aom_dsp/arm/aom_convolve8_neon_i8mm.c on Debian 10 with arm64
       architecture.
+    * aomedia:3545: Failed to parse configurations due to inconsistent
+      elements between two arrays "av1_ctrl_args" and "av1_arg_ctrl_map"
+      in aomenc.c.
     * oss-fuzz:66474, b/319140742: Integer-overflow in search_wiener.
     * Zero initialize an array in cdef search.