[librsvg] (14 commits) ...Merge branch 'pdf-text-as-text' into 'main'

[Marge Bot <marge-bot src gnome org>]

Summary of changes:

  b9b9061... New test file for text elements
  874c16e... Remove the last uses of "extern crate"
  8dc8194... PdfPredicate.with_text() - simple way to test for a PDF con
  dbafb2e... New test to ensure an output PDF has textual content
  33af1b3... CI: Install google-roboto-fonts for rsvg-convert's tests
  74c0dc1... Path::from_cairo() - New function to convert a librsvg path
  84eeace... New functions to create a Path from a pango::Layout
  5ab8d17... TextSpan: pass the original stroke paint source here
  cfb5dd8... Path::to_cairo - strip out paths composed only of MoveTo
  d6f9bc7... (#599) - Draw all text as paths, to fix text scaled non-pro
  363b128... Enable the SVG1.1 tests with text scaled non-proportionally
  a48a48a... Remove test for empty text after all
  b973fab... (#851): Output filled text as text for PDF, instead of text
  e33995f... Merge branch 'pdf-text-as-text' into 'main'