[librsvg] Created tag 2.48.3

[Federico Mena Quintero <federico src gnome org>]

The signed tag '2.48.3' was created.

Tagger: Federico Mena Quintero <federico gnome org>
Date: 1586470701 -0500

    Tag for version 2.48.3

Changes since the last tag '2.48.2':

Federico Mena Quintero (7):
      (#582) - Parse XML processing instructions with xml5ever so we can build on Rust 1.39
      (#584): Fix arithmetic overflow when requesting large pixbufs
      Update NEWS
      (#581): Don't call g_warning and g_critical from the C code
      Update NEWS
      cargo fmt
      Bump version to 2.48.3

Gabriel Majeri (1):
      Remove deprecated `description` from error types

Hao Guan (1):
      rsvg-convert: Accept RGBA colors for the --background-color option