Update package version to 2.60.4

pkg.info

@@ -1,7 +1,7 @@
 name: at-spi2-core
 description: Base DBus XML interfaces for accessibility, the accessibility registry daemon, and atspi library
-version: 2.60.3
-revision: 2
+version: 2.60.4
+revision: 1
 url: https://gitlab.gnome.org/GNOME/at-spi2-core
 license: LGPL2.1-or-later
 maintainers:
@@ -28,4 +28,4 @@ downloads:
   - url: https://download.gnome.org/sources/at-spi2-core/${BPM_PKG_VERSION%.*}/at-spi2-core-${BPM_PKG_VERSION}.tar.xz
     extract_to: ${BPM_SOURCE}
     extract_strip_components: 1
-    checksum: 21056bc04e43e8ed34fdafd916a0ddcc29ec03a4ce6cf5aacac1ddf6ef185ef7
+    checksum: 1a1f5ba9805917f41fc6aa6823dcf887a291d607a427e2d5afb6b5dfa65070c7