[librsvg] (7 commits) Non-fast-forward update to branch rustify-rsvg-convert

[Paolo Borelli <pborelli src gnome org>]

The branch 'rustify-rsvg-convert' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  dcf821f... rsvg-convert: remove the C code and add the rust one to the
  789d653... rsvg-convert: rename file to rsvg-convert.rs
  2cba5ad... rsvg-convert: remove wrong testcase
  1f2f80e... rsvg-convert: fix clippy warnings
  f742d91... rsvg-convert: remove debug
  698799e... c-api: rework the LegacySizing helper trait

Commits added to the branch:

  2bcb5f0... rsvg-convert: remove the C code and add the rust one to the
  a6159ae... rsvg-convert: rename file to rsvg-convert.rs
  ac1f662... rsvg-convert: remove wrong testcase
  3287ef0... rsvg-convert: fix clippy warnings
  6f4d1ae... rsvg-convert: remove debug
  60917ad... c-api: rework the LegacySizing helper trait
  90fb1f8... Remove color utils and rsvg-css.h private header.