package/gst1-python: bump version to 1.20.4

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit b7bd4cabed37d3ea827e7b8aabe0fa50a8effd4c)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/gstreamer1/gst1-python/gst1-python.hash

@@ -1,3 +1,3 @@
-# From https://gstreamer.freedesktop.org/src/gst-python/gst-python-1.20.3.tar.xz.sha256sum
-sha256  db348120eae955b8cc4de3560a7ea06e36d6e1ddbaa99a7ad96b59846601cfdc  gst-python-1.20.3.tar.xz
+# From https://gstreamer.freedesktop.org/src/gst-python/gst-python-1.20.4.tar.xz.sha256sum
+sha256  5eb4136d03e2a495f4499c8b2e6d9d3e7b5e73c5a8b8acf9213d57bc6a7bd3c1  gst-python-1.20.4.tar.xz
 sha256  ea3ad127610e5ded2210b3a86a46314f2b3b28e438eccffdae19a4d6fbcdb0c2  COPYING

package/gstreamer1/gst1-python/gst1-python.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-GST1_PYTHON_VERSION = 1.20.3
+GST1_PYTHON_VERSION = 1.20.4
 GST1_PYTHON_SOURCE = gst-python-$(GST1_PYTHON_VERSION).tar.xz
 GST1_PYTHON_SITE = https://gstreamer.freedesktop.org/src/gst-python
 GST1_PYTHON_INSTALL_STAGING = YES