* gnu/packages/glib.scm (gobject-introspection): Update to 1.58.1.
[source]: Remove snippet.
[arguments]: Add phase "do-not-use-/usr/bin/env".
[inputs]: Replace python-2 with python-wrapper; add zlib.
[native-inputs]: Add autoconf and automake to be able to keep using the
gnu-build-system.
* gnu/packages/patches/gobject-introspection-cc.patch: Update patch to apply
to latest version.
* gnu/packages/glib.scm (gobject-introspection): Update to 1.44.0.
[source]: Use mirror://gnome.
[arguments]<#:phases>: Remove.
* gnu/packages/patches/gobject-introspection-cc.patch: Rewrite to
set os.environ['CC'] in 'giscanner/__init__.py'.