[librsvg] (8 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:

  3862e62... rsvg-convert: use OnceCell for the lazy init of the surface
  3fe4932... rsvg-convert: cleanup resize strategy
  85a5fff... rsvg-convert: reword comment to not mention the old api
  42c7988... rsvg-convert: remove the C code and add the rust one to the
  c16495e... rsvg-convert: rename file to rsvg-convert.rs
  dd68983... rsvg-convert: remove wrong testcase
  fad5c41... rsvg-convert: fix clippy warnings
  7d9da4c... c-api: rework the LegacySizing helper trait
  5c5d09d... Remove color utils and rsvg-css.h private header.

Commits added to the branch:

  644e0da... rsvg-convert: use OnceCell for the lazy init of the surface
  ddd6a6b... rsvg-convert: cleanup resize strategy
  1c5ebff... rsvg-convert: reword comment to not mention the old api
  4dc26f6... rsvg-convert: remove the C code and add the rust one to the
  2e82144... rsvg-convert: rename file to rsvg-convert.rs
  45a6bd5... rsvg-convert: remove wrong testcase
  05cab53... c-api: rework the LegacySizing helper trait
  327202a... Remove color utils and rsvg-css.h private header.