Update .github/INCIDENT_RESPONSE.md

Co-authored-by: Andrew Murray <3112309+radarhere@users.noreply.github.com>

Author: aclark4life

.github/INCIDENT_RESPONSE.md

@@ -234,7 +234,7 @@ require a Pillow point release even if Pillow's own code is unchanged.
 | [libtiff](https://libtiff.gitlab.io/libtiff/) | TIFF encode/decode | [GitLab](https://gitlab.com/libtiff/libtiff/-/work_items) |
 | [libwebp](https://chromium.googlesource.com/webm/libwebp) | WebP encode/decode | [Chromium tracker](https://issues.webmproject.org/issues) |
 | [libavif](https://github.com/AOMediaCodec/libavif) | AVIF encode/decode | [GitHub](https://github.com/AOMediaCodec/libavif/security) |
-| [aom](https://aomedia.googlesource.com/aom/) | AV1 codec (AVIF) | [Chromium tracker](https://bugs.chromium.org/p/aomedia/) |
+| [aom](https://aomedia.googlesource.com/aom/) | AV1 codec (AVIF) | [Chromium tracker](https://aomedia.issues.chromium.org/issues) |
 | [dav1d](https://code.videolan.org/videolan/dav1d) | AV1 decode (AVIF) | [VideoLAN Security](https://www.videolan.org/security/) |
 | [openjpeg](https://www.openjpeg.org/) | JPEG 2000 encode/decode | [GitHub](https://github.com/uclouvain/openjpeg/security) |
 | [freetype2](https://freetype.org/) | Font rendering | [GitLab](https://gitlab.freedesktop.org/freetype/freetype/-/work_items) |