Update to libaom v3.13.3

CHANGELOG.md

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9588ae7..ea61f7b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@
 * Require C11 for compilation. Public headers will remain C99.
 * Add --jobs flag to avifgainmaputil and enable auto tiling.
 * Use AOM_TUNE_IQ for layered image inter-frame encoding.
+* Update aom.cmd/LocalAom.cmake: v3.13.3
 * Update LocalAvm.cmake: research-v14.0.0
 
 ## [1.4.1] - 2026-03-20

cmake/Modules/LocalAom.cmake

diff --git a/cmake/Modules/LocalAom.cmake b/cmake/Modules/LocalAom.cmake
index 9c4acb5..985b585 100644
--- a/cmake/Modules/LocalAom.cmake
+++ b/cmake/Modules/LocalAom.cmake
@@ -1,4 +1,4 @@
-set(AVIF_AOM_GIT_TAG v3.13.2)
+set(AVIF_AOM_GIT_TAG v3.13.3)
 
 set(AOM_EXT_SOURCE_DIR "${AVIF_SOURCE_DIR}/ext/aom")
 set(LIB_FILENAME "${AOM_EXT_SOURCE_DIR}/build.libavif/${CMAKE_STATIC_LIBRARY_PREFIX}aom${CMAKE_STATIC_LIBRARY_SUFFIX}")

ext/aom.cmd

diff --git a/ext/aom.cmd b/ext/aom.cmd
index 25ff371..d05cd52 100755
--- a/ext/aom.cmd
+++ b/ext/aom.cmd
@@ -8,7 +8,7 @@
 : # If you're running this on Windows, be sure you've already run this (from your VC2019 install dir):
 : #     "C:\Program Files (x86)\Microsoft Visual Studio\2019\Professional\VC\Auxiliary\Build\vcvars64.bat"
 
-git clone -b v3.13.2 --depth 1 https://aomedia.googlesource.com/aom
+git clone -b v3.13.3 --depth 1 https://aomedia.googlesource.com/aom
 
 cmake -G Ninja -S aom -B aom/build.libavif -DBUILD_SHARED_LIBS=OFF -DCONFIG_PIC=1 -DCMAKE_BUILD_TYPE=Release -DENABLE_DOCS=0 -DENABLE_EXAMPLES=0 -DENABLE_TESTDATA=0 -DENABLE_TESTS=0 -DENABLE_TOOLS=0
 cmake --build aom/build.libavif --config Release --parallel