libavif v1.0.1 release

[Wan-Teh Chang]

Hello everyone,

libavif v1.0.1 has been released to fix a compilation error of the
AVIF gdk-pixbuf loader. The source code of the release can be checked
out from the git repository[1] using the release tag v1.0.1.

[1] https://github.com/AOMediaCodec/libavif.git

Here is the change log:

1.0.1 - 2023-08-29

Changed
* gdk-pixbuf: Explicitly pass link directories
* gdk-pixbuf: Fix build failure after imir.mode -> imir.axis rename