Updates xsession: 60a6ff4 X resources: link to ArchWiki docs

diff --git a/modules/xsession b/modules/xsession
index a7f693972039dbb5a05bef0b7bb5e1dc3dffadd4..60a6ff4fc5d3b6f5269fb32c6ad844f7c71f9465 160000 (submodule)
--- a/modules/xsession
+++ b/modules/xsession
@@ -1 +1 @@
-Subproject commit a7f693972039dbb5a05bef0b7bb5e1dc3dffadd4
+Subproject commit 60a6ff4fc5d3b6f5269fb32c6ad844f7c71f9465