Update v3.7.2 CHANGELOG with aomedia:3520 bug fix

Bug: aomedia:3539
Change-Id: I23963ff20a62e1e1e92a16e4e43b93746d2a4de8

CHANGELOG

diff --git a/CHANGELOG b/CHANGELOG
index bfe83f7..7c81889 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,10 +1,12 @@
-2024-01-17 v3.7.2
+2024-01-18 v3.7.2
   This release includes three bug fixes. This release is ABI compatible
   with the last release. See
   https://aomedia.googlesource.com/aom/+log/v3.7.1..v3.7.2 for all the
   commits in this release.
 
   - Bug Fixes
+    * aomedia:3520: get_cubic_kernel_dbl: Assertion `0 <= x && x < 1'
+      failed.
     * aomedia:3526: alloc_compressor_data() is called during every
       aom_codec_control() call on the encoder. Note that this partially
       reverts the fix for bug aomedia:3349.