chore(deps): update dependency gnome-shell to v1:50.2-1 (#247)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

archlinux.dockerfile

@@ -1,7 +1,7 @@
 FROM ghcr.io/archlinux/archlinux:base
 
 # renovate: datasource=custom.repology depName=gnome-shell packageName=gnome-shell[repo='arch']
-ARG GNOME_SHELL_VERSION=1:50.1-2
+ARG GNOME_SHELL_VERSION=1:50.2-1
 
 # renovate: datasource=custom.repology depName=mutter packageName=mutter[repo='arch']
 ARG MUTTER_VERSION=50.1-1