Update licenses for the switch away from the Wuffs GIF decoder (#7786)

ci/licenses_golden/tool_signature

-Signature: 3265e06530be4b2f63aae56dd7a9e830
+Signature: 293c762c71d027f77cf88deb80f9e78e
 

tools/licenses/lib/main.dart

@@ -1639,7 +1639,6 @@ class _RepositorySkiaThirdPartyDirectory extends _RepositoryGenericThirdPartyDir
     return entry.name != 'giflib' // contains nothing that ends up in the binary executable
         && entry.name != 'freetype' // we use our own version
         && entry.name != 'freetype2' // we use our own version
-        && entry.name != 'gif' // not linked in
         && entry.name != 'icu' // we use our own version
         && entry.name != 'libjpeg-turbo' // we use our own version
         && entry.name != 'libpng' // we use our own version