[librsvg] Created tag 2.53.0

[Federico Mena Quintero <federico src gnome org>]

The signed tag '2.53.0' was created.

Tagger: Federico Mena Quintero <federico gnome org>
Date: 1641601278 -0600

    Tag for version 2.53.0

Changes since the last tag '2.52.5':

Abderrahim Kitouni (2):
      Check for both rst2man and rst2man.py in configure.ac
      Merge branch 'abderrahim/rst2man' into 'main'

Federico Mena Quintero (38):
      devel-docs/README.md - This is the development roadmap now.
      Bump version to 2.53.0 - start of the development branch
      Initial conversion of rsvg-convert.1 to rsvg-convert.rst
      Make rsvg-convert.rst markup closer to RST conventions
      Check for rst2man in configure.ac
      Generate rsvg-convert.1 from the RST source
      Install python3-docutils for the CI
      Install python3-docutils for the msys2 job
      rsvg.h - first pass at conversion to Markdown
      rsvg-features.h - first pass at conversion to Markdown
      rsvg-cairo.h: first pass at conversion to Markdown
      fix: rsvg.h
      Remove comment block with duplicated section name
      Add missing description for RsvgHandleFlags
      Add a few missing Returns:
      Fix docstrings for properties
      Missing docs for a no-op function.
      Move all the introductory material to overview.xml
      Convert the individual chapters to Markdown
      Initial TOML configuration for gi-docgen
      Include "Title:" headings in the chapters so they get shown in the main page
      configure.ac: require gi-docgen
      doc/Makefile.am - Build the docs with gi-docgen; remove the gtk-doc stuff
      Remove gtk-doc detritus from configure.ac et al
      Install gi-docgen during the CI
      Remove --enable-gtk-doc arguments from the CI scripts
      RELEASING.md: Update to not mention --enable-gtk-doc
      tools/docker/*/Dockerfile - install gi-docgen
      Install gi-docgen for the msys2 job
      Update COMPILING.md for gi-docgen and docutils
      Fix typo in the docs EXTRA_DIST
      Publish the gi-docgen docs
      Update the location of the published C docs in README.md
      doc/Makefile.am - Install to DESTDIR
      Update the development roadmap
      Cargo update
      Update NEWS
      doc/Makefile.am - Implement uninstall-local

Marge Bot (7):
      Merge branch 'bump-to-2-53' into 'main'
      Merge branch 'man2rst' into 'main'
      Merge branch 'gi-docgen' into 'main'
      Merge branch 'publish-docs' into 'main'
      Merge branch 'notriddle/text-child-visibility' into 'main'
      Merge branch 'bcrypt' into 'main'
      Merge branch 'prepare-release' into 'main'

Martin Hertz (1):
      Visual Studio: Link against bcrypt

Michael Howell (1):
      Add test cases for display:none and visibility:hidden