Release 2.13.0

ABI summary:

• mirplatform ABI bumped to 25

Enhancements:

• Document that extension filter callbacks are called multiple times
• [miral] Automate reloading display configuration
• [miral] Add a side-by-side layout to the .display configuration
• [miral] Add a .display-layout configuration file
• [miral] Provide output names
• [miral] Add an API for adding custom attributes to outputs
• [platform] Display: Remove register_pause_resume_handlers
• [platforms] Sensible output names on kms based platforms. (Fixes: #2815)
• [Wayland] bump wl_output to version 4 (Fixes #2792)
• [Wayland] Detect cyclic parent-child relationships
• [Wayland] Bump XDG shell stable protocol to version 5 (Fixes #2778)
• [console] Set the logind session(Fixes: #2833)

Bugs fixed:

• Recomposite when display configuration changes need it. (Fixes: #2807)
• Implement XDG poup constraint adjustment support. (Fixes #2857)