Use same AVIF URL when fetching dependency (#8871)

Author: radarhere

winbuild/build_prepare.py

@@ -385,8 +385,8 @@ def cmd_msbuild(
         "bins": [r"*.dll"],
     },
     "libavif": {
-        "url": f"https://github.com/AOMediaCodec/libavif/archive/v{V['LIBAVIF']}.zip",
-        "filename": f"libavif-{V['LIBAVIF']}.zip",
+        "url": f"https://github.com/AOMediaCodec/libavif/archive/v{V['LIBAVIF']}.tar.gz",
+        "filename": f"libavif-{V['LIBAVIF']}.tar.gz",
         "license": "LICENSE",
         "build": [
             "rustup update",