[gobject-introspection/ebassi/glib-update] Update GLib introspection data

[Emmanuele Bassi <ebassi src gnome org>]

commit e85e930317f1c342e54d6e5edc606c7d5f79846a
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Wed Jul 13 14:06:56 2022 +0100

    Update GLib introspection data
    
    Rebased up to 2.73.2.

 gir/gio-2.0.c  | 4 ++--
 gir/glib-2.0.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/gir/gio-2.0.c b/gir/gio-2.0.c
index c7480616..59d4686b 100644
--- a/gir/gio-2.0.c
+++ b/gir/gio-2.0.c
@@ -3403,7 +3403,7 @@
 
 
 /**
- * GSimpleProxyResolver:default-proxy:
+ * GSimpleProxyResolver:default-proxy: (nullable)
  *
  * The default proxy URI that will be used for any URI that doesn't
  * match #GSimpleProxyResolver:ignore-hosts, and doesn't match any
@@ -35803,7 +35803,7 @@
 /**
  * g_simple_proxy_resolver_set_default_proxy:
  * @resolver: a #GSimpleProxyResolver
- * @default_proxy: the default proxy to use
+ * @default_proxy: (nullable): the default proxy to use
  *
  * Sets the default proxy on @resolver, to be used for any URIs that
  * don't match #GSimpleProxyResolver:ignore-hosts or a proxy set
diff --git a/gir/glib-2.0.c b/gir/glib-2.0.c
index ecd53364..9f928323 100644
--- a/gir/glib-2.0.c
+++ b/gir/glib-2.0.c
@@ -32474,7 +32474,7 @@
  * ]|
  *
  * Returns: a UTF-8 string describing the error code. If the error code
- *     is unknown, it returns a string like "unknown error (<code>)".
+ *     is unknown, it returns a string like "Unknown error: <code>".
  */