[packages/libimagequant] (3 commits) Non-fast-forward update to branch DEVEL-rust

[qboosh]

The branch 'DEVEL-rust' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch.

Commits removed from the branch:

  7694865... - updated to rusted 4.3.0 version

Commits added to the branch:

  a63dbe6... - note on 4.x versions (*)
  d6714d3... - rust BRs
  22b6437... - updated to rusted 4.3.0 version

(*) This commit already existed in another branch; no separate mail sent