GObject-introspection 1.71.0

Changes since 1.70.0
--------------------

* Create new API for libffi closures [Sergei Trofimovich, Cimbali]
* Treat @-prefixed shlib paths as absolute on macOS [Rok Mandeljc]
* Add new `forever` scope [#49]
* Build fixes with newer Meson [#414]
* Improve regression test suite [Marco Trevisan (Treviño)]
* Avoid a segfault when using an invalid GType [Lukas Oberhuber]
* Build fixes on Windows when using g-i as a subproject [Andoni Morales Alastruey]
* Warn about property name collisions [#386]
* Add "strict" warnings to g-ir-scanner
* Add the "emitter" annotation for signal emitters
* Add a command line option to g-ir-scanner to specify the compiler
* Add new convenience API to libgirepository [Philip Chimento]
* Build fixes on Windows when using MSVC [Chun-wei Fan]
* Documentation fixes [#211, #327]
* Update the GIR data for GLib, GObject, and GIO