[librsvg] Created tag 2.52.9

[Federico Mena Quintero <federico src gnome org>]

The signed tag '2.52.9' was created.

Tagger: Federico Mena Quintero <federico gnome org>
Date: 1652403768 -0500

    Tag for version 2.52.9

Changes since the last tag '2.52.8':

Federico Mena Quintero (25):
      Don't use the main branch suffix for container builds
      Merge branch 'branch-container-build' into 'librsvg-2.52'
      Install autotools for the msys2 job.
      Merge branch 'msys2-autotools' into 'librsvg-2.52'
      (#823): Regression in geometry computation when the SVG viewBox does not match the default viewport
      CI: Fix the clippy job to emit the code quality report in json
      tests/src/primitive_geometries.rs: Start a new suite of tests for the geometries of primitives
      Test stroked, and stroked/unfilled rectangles
      Add serde/serde_json for the tests
      Add the anyhow crate for the tests
      tests/src/geometries.rs: Start a test module for element geometries
      Add test files from the Horizon EDA project
      Read the geometry files
      Test all the geometries for named elements in the Horizon EDA files
      Use JSON fixtures for the primitive_geometries tests
      Add test for a rect in an isolation context
      Add the primitive_geometries fixtures to Makefile.am
      Compare geometries rectangles with Rect::approx_eq()
      Increase the epsilon for Rect::approx_eq()
      (#823): Fix geometry computation for individual layers
      Fix field names in the backported tests - API changed in 2.54
      Merge branch 'backport-823' into 'librsvg-2.52'
      Bump version to 2.52.9
      Update NEWS
      Merge branch 'prepare-2.52.9' into 'librsvg-2.52'